Ryan Additon – 67

MAJOR LEAGUE SERVICE TIME: 4 Years

CAREER: Was promoted to the Major League staff before the 2022 season…worked the 2023 NLDS, marking his first Postseason assignment...Ryan became a Minor League Umpire in 2010…Ryan has 381 Major League games of on-field experience as a call-up umpire since 2017, when he also began working Major League Spring Training…he was behind the plate for the no-hitter by Corey Kluber, then of the New York Yankees, at Texas in 2021…Ryan worked Triple-A East in 2021.

PERSONAL: Born in December 1985.

Erich Bacchus – 12

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League Umpire in 2012, when he also began to work Major League Spring Training…Erich has 234 Major League games as a call-up umpire…will be a member of Laz Diaz’s crew in 2024...came through the Arizona League (2012), the New York-Penn League (2013), the South Atlantic League (2014), the Colombian Winter league (2014), the Carolina League (2014-2015), the Eastern League (2016-2017), the International League (2018-2022), the Dominican Winter League (2019) and the Arizona Fall League (2019 and 2021)...attended the Wendelstedt Umpire School in 2012 and is currently on the school’s staff.

PERSONAL: Born in November 1990…the Maryland native now resides in Georgia...hobbies include snowboarding, hiking, camping, golfing and cooking...loves watching golf and hockey...Erich is a citizen of both the United States and Switzerland.

MAJOR LEAGUE SERVICE TIME: 11.5 Years

CAREER: Was appointed to the Major League staff for the 2014 season...worked the 2017 NL Wild Card Game; the 2019 NLDS; a 2020 AL Wild Card Series; the 2021 AL Wild Card Game and 2021 NLCS; a 2022 ALDS; the 2022 World Series, the first Fall Classic of his career; a 2023 NL Wild Card Series and 2023 ALCS; and the 2019 All-Star Game in Cleveland...has been a professional umpire since the 2005 season...in 2013, he worked in the Triple-A Pacific Coast League...was assigned to his first Major League game on June 24, 2012...previously umpired in the Arizona League, Appalachian League, New York-Penn League, South Atlantic League, Hawaii Winter League, Florida State League, Southern League, International League and Pacific Coast League...worked 199 Major League games as a call-up umpire prior to his promotion to the full-time staff in 2014.

PERSONAL: Born in December 1981...resides in Oklahoma.

MAJOR LEAGUE SERVICE TIME: 4 Years

CAREER: Was promoted to the Major League staff before the 2022 season…worked a 2023 NL Wild Card Series, the first Postseason assignment of his career...Sean became a Minor League Umpire in 2006, when he also began working Major League Spring Training…he has 690 Major League games as a callup umpire since 2014…Sean worked Triple-A East in 2021.

PERSONAL: Born in May 1985.

Lance Barksdale - 23 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 20 Years

CAREER: Was named to the Major League staff in July 2006...was assigned to the 2013 NL Wild Card Game; the 2017 AL Wild Card Game; a 2020 AL Wild Card Series; a 2023 AL Wild Card Series, serving as the Crew Chief; the 2014-16 and 2019 ALDS; the 2018 and 2022 NLDS; the 2017, 2021 and 2023 NLCS; the 2020 ALCS; and the 2019 and 2022 World Series....was named one of the 2022 All-Star Game umpires at Dodger Stadium...umpired in the inaugural World Baseball Classic in 2006 and worked the first round of the 2009 World Baseball Classic in Mexico City, as well as the 2017 WBC...was the left field umpire for the 2012 All-Star Game in Kansas City...was behind the plate when Arizona’s Randy Johnson tied the Major League record for strikeouts in a game with 20 on May 8, 2001 vs. Cincinnati and for the 2021 no-hitter by Wade Miley...uniquely, Lance was the third base umpire for no-hitters on the last day of the season in both 2013 (Henderson Alvarez) and 2014 (Jordan Zimmermann)...worked in the Appalachian League (1993), the South Atlantic League (1994-95), the Florida State League (1995-96), the Florida Instructional League (’96), the Southern League (1997), the Pacific Coast League (1998-2005), the Arizona Fall League (1999-2000) and the International League (2006).

PERSONAL: Born in March 1967 in Mississippi...resides in Mississippi...he and wife Jennifer have a daughter, Jordan, and a son, Hayden...enjoys playing sports and coaching his kids.

Lance Barrett - 94

MAJOR LEAGUE SERVICE TIME: 11.5 Years

CAREER: Joined the Major League staff in 2014...received his first Postseason assignment during the 2019 AL Wild Card Game, and also worked a 2020 Wild Card Series, a 2020 NLDS, a 2021 ALDS, a 2022 AL Wild Card Series; the 2022 NLCS; and a 2023 ALDS...was selected to the 2021 All-Star Game in Colorado...worked his first Major League game on Oct. 1, 2010, between the Cubs and the Astros in Houston.. worked in the Triple-A Pacific Coast League before being appointed to the Major League staff...began as a Minor League umpire in 2003...previously umpired in Florida Extended Spring Training (2003), Appalachian League (2003), Florida Instructional League (2003), South Atlantic League (2004), California League (2005), Eastern League (2006-08), Venezuela Winter League (2006-07), International League (2008-11), Arizona Fall League (2008-09), Dominican Winter League (2010-11) and Pacific Coast League (2012-13)...had worked 237 big-league games as a call-up umpire prior to his promotion to the full-time staff in 2014.

PERSONAL: Born in October 1984...resides in Fort Worth, Texas, with his wife Cheryl, daughters Sadie and Caroline and son Wyatt...graduated from Crowley High School in Crowley, Texas, in 2002...in the offseason, he enjoys playing golf and spending time with his family.

Scott Barry - 87

MAJOR LEAGUE SERVICE TIME: 15 Years

CAREER: Was promoted to the Major League staff before 2011…worked the 2012 AL Division Series (DET-OAK), the 2014 ALDS (DET-BAL), the 2018 NLCS, the 2022 NLDS and was the third base umpire for the 2014 All-Star Game in Minnesota...had been called up to the Majors and worked Major League Spring Training each year since 2006 before being promoted to full-time staff in 2011…first Major League game was June 4, 2006 (Red Sox at Tigers), when Scott was at third base...was a Minor League umpire from 2000-10, working in the International League (Triple-A) from 2005-10...previously worked in the Appalachian League (2000-01), South Atlantic League (2001), Midwest League (2002), Carolina League (2002), Arizona Instructional League (2002), Eastern League (2003-04) and the Arizona Fall League (2005-06)...umpired the inaugural 2006 World Baseball Classic in Orlando...was behind the plate for the 2021 no-hitter by Arizona’s Tyler Gilbert.

PERSONAL: Born in August 1976 in Michigan, where he still lives...has two children, Cameron and Alex...played three sports at Quincy (Mich.) High School...graduated from Olivet College in Michigan with a degree in Secondary Education teaching, majoring in social sciences and minoring in health and physical education...played football, basketball, baseball and golf at Olivet...interests include golf, weightlifting, working on classic cars and spending time with friends and family...Scott’s favorite career moment was when his brother, a member of the Army, delivered the game ball to the mound at Detroit’s Comerica Park after returning from deployment in Iraq, before family and friends.

Adam Beck - 38

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season... received his first Postseason assignment during a 2023 AL Wild Card Series...attended the MLB Umpire Camp in Compton, Calif. (2012)… attended The Umpire School in Vero Beach, Fla. (2013) and became a Minor League Umpire the same year…instructed at The Umpire School and the Minor League Baseball Umpire Training Academy (2014-20)…umpired in the Appalachian League (2013), the South Atlantic League (2014), the Carolina League (2014), the Southern League (2015-16), the International League (2017-22) and the Arizona Fall League (2018-19)…umpired Major League Spring Training and was named to the call-up staff in 2020…will be a member of Dan Iassogna’s crew in 2024.

PERSONAL: Born in September 1988 in Florida…attended the University of Central Florida, where he studied Business Management…hobbies include woodworking, exercising and fishing…resides in Florida.

Dan Bellino - 2 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 14 Years

CAREER: Has umpired MLB games since the 2008 season...was promoted to the full-time MLB staff in 2011...had previously umpired in the New York-Penn, Midwest, Florida State, Eastern, Pacific Coast and International Leagues...worked his first Major League game between the Orioles and Cubs at Wrigley Field in June 2008...also worked in the Arizona Instructional League, Hawaii Winter League, Arizona Fall League and Puerto Rico Winter League....was assigned to the Division Series each year from 2014-18 and 2020-21; worked the 2019 and 2023 ALCS; and a 2020 and 2023 NL Wild Card Series...was assigned to his first World Series in 2021...was selected to work the 2012 Japan Opening Series (OAK-SEA)...worked his first MLB All-Star Game in 2016 at Petco Park in San Diego, serving as the right field umpire, and has worked the last three World Baseball Classics, including in Puerto Rico (2013) and Jalisco (2017)...originally wore No. 93 through 2011 and in 2012, he requested to change to No. 2 following the retirement of longtime Umpire Jerry Crawford.

PERSONAL: Resides in Illinois with his wife and their four children...Dan’s oldest son is named after his brother, who died unexpectedly during Dan’s childhood...born in October 1978...was a catcher for his high school, Loyola Academy in Wilmette, Ill...attended Northern Illinois University and managed the men’s basketball team under head coach Brian Hammel...during his studies at the NIU College of Business, Dan was selected for and attended a semester at Oxford University in London...he continued his education following his undergraduate work, holds a J.D., an MBA, and has passed the Illinois bar exam...served as an aide for federal judge Charles P. Kocoras before attending umpire school...he currently manages a suburban law firm and serves as “of counsel” for the international law firm L & G Law Group based in Chicago.

Ryan Blakney - 36

MAJOR LEAGUE SERVICE TIME: 6 Years

CAREER: Joined the Major League staff for the 2020 season...was selected to work the 2021 AL Wild Card Game and a 2022 NL Division Series (PHI-ATL)...was selected to work the 2023 All-Star Game in Seattle, his first Midsummer Classic...was previously a Minor League umpire since 2006...has logged more than 600 assignments to Major League games as a call-up umpire...has worked Major League Spring Training since 2015.

PERSONAL: Pronunciation of Ryan’s last name is BLAKE-knee...born in Washington in 1985...resides in Washington with his wife Alesia and their pets, Bud­dy, Oakley and Winston.

Cory Blaser - 89

MAJOR LEAGUE SERVICE TIME: 12 Years

CAREER: Joined the Major League staff in 2014...worked the 2015 and 2019 NL Wild Card Game; a 2020 NL Wild Card Series; the 2016 AL Division Series; the 2017 NL Division Series; the 2018 ALDS; the 2019 ALCS; the 2020 NLCS; and a 2023 ALDS...worked his first All-Star Game in 2018 in Washington, DC...worked the 2017 World Baseball Classic...worked his first Major League game April 24, 2010, between the Colorado Rockies and the Florida Marlins in Denver....began to work in the Minor Leagues in 2002...previously umpired in the Arizona League in 2002, Florida Instructional League (2002-04), Northwest League in 2003, Midwest League in 2004, Carolina League in 2005, Arizona Instructional League in 2005, Eastern League in 2006-07, Venezuela Winter League in 2007-08, Arizona Fall League in 2008-09, Dominican Winter League in 2010-11 and Pacific Coast League from 2008-13...had worked 346 Major League games as a call-up umpire prior to his 2014 promotion.

PERSONAL: Born in December 1981...re­sides in Colorado with his wife, Theresa, daugh­ter, Leighton, and sons, Caden and Declan...grad­uated from Pomona High School in Arvada, Colo., in 2000...attended Colorado State University and University of Phoenix...in the offseason, he enjoys work­ing out, playing golf and spending time with his family...is active in Calling for Christ, a professional umpire ministry...began umpiring at age 15 when his father, Robert, intro­duced it to him as a summer job.

CB Bucknor - 54

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Became a member of the Major League staff in 1999...has worked the Division Series from 2007-09, 2013, 2014 (Replay) and 2020; the 2005 All-Star Game in Detroit and the 2021 Midsummer Classic in Denver; the 2016 NL Wild Card Game; and a 2020 AL Wild Card Series...worked the 2004 Opening Series between the Devil Rays and the Yankees at the Tokyo Dome...was assigned to the 1996 Hall of Fame Game in Cooperstown...um­pired in the New York-Penn League (1990), Florida In­struc­tion­al League (1990-92), Carolina League (1991-92), Eastern League (1993-94) and International League (1995-99).

PERSONAL: Born in Jamaica, West Indies...moved to the United States in 1973...received a B.S. in Recreation Therapy from the State University of New York at Cortland in 1984…played center field for the SUNY Cortland baseball team...works with the Bonnie Youth Club in Brooklyn, N.Y., and was inducted into the Bonnie’s Hall of Fame in 2000...inducted into the Cortland Athletic Hall of Fame in October 2002...inducted into the Brooklyn Parade Ground Baseball League Hall of Fame in 2008...was inducted into the New York State Baseball Hall of Fame in 2017 and earned its John Cerutti Sportsmanship Award...has collected toys and helped to organize an annual “treat day” - a holiday party, featuring athletic events, video games, picnics, etc. - for more than 900 children in Jamaica through his Westmoreland Treat 54 Foundation, which awards merit scholarships to primary school and high school students; the Westmoreland Treat 54 Foundation celebrated its 20th anniversary in 2016...spends time in Jamaica in the offseason, helping seniors rehabilitate and furnish their homes.

Vic Carapazza - 19

MAJOR LEAGUE SERVICE TIME: 13 Years

CAREER: Joined the Major League staff for the 2013 season...was selected as the right field umpire for the 2014 All-Star Game in Minnesota...has worked the Wild Card Series (2020, 2022), Division Series (2014 and 2023 NLDS and 2015-17, 2021 ALDS) and the 2018 and 2022 ALCS...worked his first career Fall Classic in 2023...collected 304 days of service in the Major Leagues as a call-up umpire in his career before being promoted to the Major League staff...began to work Major League Spring Training in 2009...worked his first Major League game as a call-up umpire on April 9, 2010 (Yankees at Rays)...was a Minor League umpire from 2003-12, most recently in the International League (Triple-A) 2010-12...previously umpired in the Gulf Coast League (2003), New York-Penn League (2004), Midwest League (2005), Florida State League (2006), Eastern League (2006-08) and Pacific Coast League (2008-09)...worked in the Dominican Republic Winter League (2007) and the Puerto Rican Winter League (2010)...was behind the plate for Joe Musgrove’s 2021 no-hitter, the first in Padres’ history.

PERSONAL: Pronunciation of Vic’s last name is ca-ruh-PA-zuh...born in July 1979...graduated from Countryside High School in Clearwater, Fla., in 1998...served in the United States Air Force before enrolling in the Wendelstedt Umpire School in 2003...resides in Florida with his wife and their four daughters...enjoys golfing, traveling, spending time with his family and serving at his church, The Chapel, in Tarpon Springs, Fla.

Mark Carlson - 6 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Joined the Major League staff in 1999...was appointed a crew chief for the 2021 season...worked the 2003 and 2017 All-Star Games; the 2017 NL Wild Card Game and the 2021 AL Wild Card Game; a 2007, 2015, 2022 and 2023 NL Division Series; the 2011, 2012 and 2020 ALDS; the 2013, 2014 and 2021 NLCS; the 2017-19 ALCS; and the 2015 and 2020 World Series...worked the 2014 Opening Series between the Los Angeles Dodgers and Arizona Diamondbacks in Sydney, Australia...called balls and strikes for Jered Weaver’s no-hitter, May 2, 2012 vs. the Twins...attended the Brinkman-Froemming Umpire School (1993)…um­pired in the Pioneer League (1993), Midwest League (1994), Florida State League (1995), Southern League (1996-97), International League (1998-99) and the Arizona Fall League (1998).

PERSONAL: Born in July 1969 in Illinois...resides in Illinois...married to Marie…has two daughters, Grace and Audrey...graduated from Joliet West High School...at­tend­ed Parkland College in Illinois, where he was a catcher on the baseball team…was inducted to the Parkland College Hall of Fame in February 2016...served in the United States Marine Corps…hobbies include racquetball, hunting and running…competed in a Tough Mudder competition in 2012, featuring a 10-12 mile obstacle course designed to test strength, stamina, mental grit and camaraderie...works with charitable organizations such as the Will County Old Timers’ Association in the off-season…does work on behalf of Umps Care charities...first Major League assign­ment was an Interleague series between the Chicago White Sox and Chicago Cubs at Wrigley Field.

Nestor Ceja - 33

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League Umpire in 2012. He umpired in Northwest League (2012), Midwest League (2013), California League (2014), Texas League (2014-16), Pacific Coast League 2017-22) and Arizona Fall League (2018, 2021). He also began to work Major League Spring Training in 2021…Nestor worked 253 Major League games as a call-up umpire prior to becoming a full-time Major League Umpire…will be a member of Todd Tichenor’s crew in 2024.

PERSONAL: Born in April 1987 in Michoacán, Mex­ico….resides in Texas...attended John F. Kennedy High School in Granada Hills, Calif., and then Arizona State University.

Chris Conroy - 98

MAJOR LEAGUE SERVICE TIME: 12.5 Years

CAREER: Was appointed to the Major League staff in June 2013...has worked the 2015 AL Wild Card Game and a 2020 AL Wild Card Series; the 2018 ALDS; the 2019 NLCS; the 2020 Wild Card Series and ALCS; a 2021 ALDS and the 2021 World Series; and a 2022 NL Wild Card Series and the 2022 ALCS...has served as a Replay Official for the 2014 and 2016 Division Series and the 2018 World Series....worked the 2014 Japan All-Star Series and was selected for the 2017 All-Star Game in Miami...began as a Minor League umpire in 2000...worked at the Triple-A level from 2006 until his promotion to the Majors in the summer of 2013...worked 267 Major League games as a call-up umpire since his Major League debut, Sept. 29, 2010...has been assigned to Major League Spring Training since 2009...previously umpired in the New York-Penn League, South Atlantic League, Carolina League, Eastern League, Arizona Fall League, Pacific Coast League and International League...worked in the AFL in 2007 and 2009-10.

PERSONAL: Born in July 1974.

Phil Cuzzi - 10

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...has worked the Wild Card Game (2013 A.L.; 2014 Replay); the Division Series (2003-04, 09, 12, 15-17); the 2005, 2014 and 2019 National League Championship Series; the 2017 World Series; the 2008 All-Star Game at Yankee Stadium; and the 2019 All-Star Game in Cleveland...previously umpired in the New York-Penn League, Carolina League, South Atlantic League, Southern League, Triple-A Alliance, International League, American Association, Florida State League and Eastern League...was the home plate umpire for Bud Smith’s no-hitter on Sept. 3, 2001.

PERSONAL: Pronunciation of Phil’s last name is cuh-ZEE...born in August 1955 in New Jersey...resides in New Jersey...married to Gilda...played baseball and football at Belleville High School...participates in community work as a member of the Italian Fiorenti Club in New Jersey...involved with the ALS Association...in 2003, Phil started the Robert Luongo ALS Fund, which raises funds for ALS patient care and research.

Ramon De Jesus - 18

MAJOR LEAGUE SERVICE TIME: 6 Years

CAREER: Became a member of the Major League staff in 2020...was selected to work the 2021 NL Wild Card Game at Dodger Stadium; and a 2023 NLDS...was selected to work the 2023 All-Star Game in Seattle, his first Midsummer Classic...had been a Minor League umpire since 2009...had more than 380 assignments to Major League games as a call-up umpire...has worked Major League Spring Training since 2016...his first Major League game was April 22, 2016 at Detroit (CLE @ DET), working second base with crew chief Gary Cederstrom, Eric Cooper and Adrian Johnson...he began working professional baseball in the Dominican Summer League (DSL) in 2003...worked Dominican Winter League from 2006 to 2020...worked the Gulf Coast League and the New York-Penn League in 2009, the South Atlantic League in 2010, the Florida State League in 2011, the Eastern League from 2011-14 and the Pacific Coast League from 2015-19...during his time in the Dominican Winter League, he worked six Caribbean World Series...in 2016, Ramon became the first native of the Dominican Republic to umpire a Major League game, and he is now the first Dominican member of the full-time Major League Umpiring staff.

PERSONAL: Pronunciation of Ramon’s last name is duh-HAY-soos...born in August 1983 in Monte Plata, Dominican Republic...resides in Santo Domingo, D.R...graduated from Madre Ascensión Nicol Catholic high school in Monte Plata, D.R...earned a scholarship to attend a week-long MLB Umpire Camp in Compton, Calif., in 2008...the MLB Umpire Camp then gave him the opportunity to attend a professional umpiring school in (2009)...has two children, Adrian Silvestre and Adam Silvestre...he is the son of Asia and Ireno and the younger brother of Clara, Noel, Damaris and Lida.

Laz Diaz - 63 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...has worked the Wild Card Series (2020, 2022) and the 2021 NL Wild Card Game; Division Series (2002, '06-07, '13, '14, '17, '20); the 2009, 2015 and 2021 American League Championship Series; the 2016 National League Championship Series; the 2007, 2017 and 2020 World Series; the 2000 All-Star Game in Atlanta; and the 2010 Midsummer Classic in Anaheim...worked the 2014 Opening Series between the Los Angeles Dodgers and Arizona Diamondbacks in Sydney, Australia and was one of the two Major League Umpires assigned to the March 22, 2016 exhibition game between the Tampa Bay Rays and the Cuban National Team at Estadio Latinoamericano in Havana...he and Angel Hernandez worked with four Cuban umpires for the historic contest...worked the San Juan, Puerto Rico round of the 2009 World Baseball Classic...attended Harry Wendelstedt Umpire School in 1991.

Rob Drake - 30

MAJOR LEAGUE SERVICE TIME: 16 Years

CAREER: Joined the Major League staff in 2010...worked the 2012 and 2013 N.L. Wild Card Games; a 2020 NL Wild Card Series; the 2013 and 2014 NLDS; the 2012, 2013 and 2021 American League Championship Series; the 2015 National League Championship Series; and the 2013 All-Star Game...was the Replay Official for the 2021 ALCS...worked the 2017 World Baseball Classic...was the right field umpire for Roy Halladay’s no-hitter in Game 1 of the 2010 NLDS...was behind the plate for Felix Hernandez’s perfect game, Aug. 15, 2012 vs. Tampa Bay, which set a single-season baseball record for the most perfect games in one season (three)...has worked MLB Spring Training or regular season games since 1999...has worked in the Northwest League, Midwest League, Eastern League, California League and Pacific Coast League...has worked winter ball in the Dominican Republic...umpired during the inaugural World Baseball Classic in 2006.

PERSONAL: Born in May 1969...married to Heather with four kids: Nico, Morgan, Cheyenne and Luke...is a co-founder of Calling For Christ (callingforchrist.com), a professional umpire ministry...resides in Arizona.

Bruce Dreckman - 1

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Became a member of the Major League staff in 1997...has worked the NL Wild Card Series (2022), the Division Series (2004-05, '10-11, '19), the 2009 and 2013 National League Championship Series and the 2010 All-Star Game in Anaheim...worked the NLDS between the Phillies and the Reds in 2010 and was at first base for the final out of Roy Halladay’s no-hitter in Game 1...was behind the plate for Minnesota left-hander Francisco Liriano’s no-hitter at U.S. Cellular Field in Chicago, May 3, 2011...was one of the umpires who represented Major League Baseball during the 2006 Japan All-Star Series...worked the Miami round of the 2009 World Baseball Classic...previously umpired in the Appalachian League (1990), Midwest League (1991), Carolina League (1992), Southern League (1993) and American Association (1994).

PERSONAL: Born in August 1970 in Iowa...resides in Iowa...married with three children...became interested in umpiring as he worked games as a kid, starting at age 12...enjoys spending time with his family and golf.

Doug Eddings - 88

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...has worked the 2014 NL Wild Card Game; Wild Card Series (2020, 2022 and 2023); Division Series (2000, '02, '18-21); the 2005 ALCS; the 2022 NLCS; the 2023 ALCS; the 2019 World Series; and the 2004 All-Star Game...served as a Replay Official during the 2017 All-Star Game in Miami...worked the 2017 World Baseball Classic...was one of the umpires who represented Major League Baseball during the 2006 Japan All-Star Series...attended Wendelstedt’s Umpire School (1989)...was the home plate umpire for Cal Ripken, Jr.’s last Major League game (10/6/01) and for the 2021 no-hitter by Carlos Rodón...previously umpired in the Arizona League (1989), Florida State League (1990-91), Eastern League (1992-93), Texas League (1994), International League (1995-96), Pacific Coast League (1997-98), Dominican League (1994 and 1996) and Venezuelan League (1995).

PERSONAL: Resides in New Mexico...married...attended New Mexico State University…began umpiring Little League games at the age of 14…enjoys golf, working out and riding his Harley-Davidson…would want to be a Secret Service agent if he was not an umpire.

Paul Emmel - 50 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Became a member of the Major League staff in 1999...was appointed a crew chief for the 2017 season...has worked the All-Star Game (2002, 13); the 2014 NL Wild Card Game and 2015 AL Wild Card Game; Division Series (2002-03, '06, '08-10, '12-13, '16); the 2007 American League Championship Series and the 2014 (Replay) and 2015 National League Championship Series; and the 2013 World Series...worked the semifinals and finals of the 2009 World Baseball Classic at Dodger Stadium...was an instructor at MLB’s inaugural Umpire Camps (MLBUC.com), held at MLB’s Urban Youth Academy in Compton, Calif., in November 2006...previously umpired in the New York-Penn League (1992-93), South Atlantic League (1994), California League (1995), Florida State League (1996), Eastern League (1996-97) and In­ter­na­tion­al League (1998).

PERSONAL: Born in May 1968 in Michigan...has a son and a daughter....resides in Colorado...graduated from Central Michigan University with a B.A. in Finance (1991)…began umpiring in college.

Mike Estabrook - 83

MAJOR LEAGUE SERVICE TIME: 12 Years

CAREER: Joined the Major League staff in 2014...worked the 2015 NL Wild Card Game; the 2017 All-Star Game in Miami; a 2020 ALDS; a 2021 NLDS; and a 2023 NL Wild Card Series...has umpired professionally since 1999...has worked Major League Spring Training each year since 2006...made his Major League umpiring debut on May 7, 2006, when the St. Louis Cardinals played the Florida Marlins at Sun Life Stadium...has worked in the Gulf Coast League (1999), Appalachian League (2000), South Atlantic League (2001), Florida State League (2002), Southern League (2003-04), Venezuela Winter League (2004), International League (2005-13) and Arizona Fall League (2005-06)...had worked 698 Major League games as a call-up umpire prior to his promotion...was the No. 1 student in the class of 1999 at the Wendelstedt School for Umpires.

PERSONAL: Born in July 1976 in Florida...resides in Florida with his wife, Tina, and daughter Gabriella...holds a business degree from the University of Phoenix...is a 1994 graduate of Madison High School in Madison, Fla.

Chad Fairchild - 4

MAJOR LEAGUE SERVICE TIME: 16 Years

CAREER: Joined the Major League staff in 2010...worked the 2019 AL Wild Card Game; the 2011 National League Division Series, the 2012 NLDS, the 2015 NLDS; the 2016 ALDS; the 2017 ALCS; a 2018 ALDS; the 2018 World Series; the 2019 NLCS; a 2021 ALDS; and a 2022 NLDS...was selected for the 2013 All-Star Game at Citi Field, working right field...became a professional umpire in 1997...has worked in the Gulf Coast League, New York-Penn League, South Atlantic League, Florida State League, Texas League, Southern League, International League and the Venezuela League...has worked Major League Spring Training games and began as a call-up umpire for Major League games since 2004...worked the inaugural World Baseball Classic in 2006.

PERSONAL: Born in December 1970...is a native of Wakeman, Ohio...resides in Florida with wife, Daria, daughter, Angelina, and son, Tanner.

Andy Fletcher - 49

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Became a member of the Major League staff in 1999...was the right field umpire at the 2005 All-Star Game in Detroit and the third base umpire for the 2018 Midsummer Classic in Washington, D.C...was the right field umpire at the 2014 NL Wild Card Game in Pittsburgh, and worked the 2018 ALDS (CLE-HOU); the 2020 NL Wild Card Series (MIA-CHI); the 2020 NLDS (ATL-MIA); a 2022 and 2023 AL Wild Card Series; and the 2023 NLCS...was the Replay Official for the Championship Round of the 2017 World Baseball Classic...attended the Harry Wendelstedt Umpire School (1989)...worked the Tokyo round of the 2009 World Baseball Classic...previously umpired in the Appalachian League (1989), Florida Instructional League, Midwest League (1990-91), Carolina League (1992), Southern League (1992-94), Pacific Coast League (1995-99) and Arizona Fall League (1997).

PERSONAL: Born in November 1966 in Memphis...married with one child…attended the University of Mississippi…enjoys spending time with his wife and son in the offseason…hobbies include watching Ole Miss football and basketball…father was a high school referee...would be in law enforcement if not an umpire...was inducted into the Memphis Amateur Sports Hall of Fame, of which his father is also a member; the Fletchers are the institution’s only father-son tandem so honored.

Tripp Gibson - 73

MAJOR LEAGUE SERVICE TIME: 10.5 Years

CAREER: Was appointed to the Major League staff for the 2015 season... worked his first Major League game July 8, 2013 between the Los Angeles Dodgers and the Arizona Diamondbacks in Phoenix…was on the field for his first Postseason game in the 2017 AL Wild Card Game at Yankee Stadium, and then did the 2018 NL Wild Card Game at Wrigley...worked the 2019 NLDS, a 2020 AL Wild Card Series and the 2020 ALDS, the 2021 NLCS, a 2022 NLDS; the 2022 World Series, the first of his career; a 2023 AL Wild Card Series; and the 2023 NLCS...was behind the plate for the Astros' combined no-hitter at Philadelphia, started by Cristian Javier, in Game 4 of the 2022 Fall Classic...worked the 2017 World Baseball Classic...the Washington State resident was selected to work the 2023 All-Star Game in Seattle, his first Midsummer Classic...has been an umpire in the Minor Leagues since the 2006 season…previously umpired in the New York-Penn League (2006), Florida Instructional League (2006), South Atlantic League (2007), California League (2007), Florida State League (2008), Eastern League (2008), Southern League (2009-10), Arizona Instructional League (2009-10), Pacific Coast League (2011-14), Arizona Fall League (2011, '13) and the Dominican Winter League (2014-15)...had worked 173 Major League games as a call-up umpire prior to his 2015 promotion.

PERSONAL: Born in August 1981 in Kentucky…resides in Washington with his wife, Danna, and sons, Grant and Tate…graduated from Graves County High School in Kentucky (2000)…received a BS in Art from Murray State University in Kentucky (2005)…played high school baseball and soccer…began umpiring at 19 years old in college…hobbies include spending time with his family, reading, playing golf and racquetball, learning to play the banjo and watching college basketball...Tripp spent much of December 2021 in his native Mayfield, Ky., providing on-the-ground assistance following the significant damages caused by a tornado....inspired by Tripp, efforts of Umps Care and MLB benefited the Independence Bank/Mayfield-Graves County Tornado Relief Fund.

Manny Gonzalez - 79

MAJOR LEAGUE SERVICE TIME: 12 Years

CAREER: Was promoted to the Major League staff for the 2013 season...became the first full-time Major League Umpire ever from Venezuela...worked the 2015 AL Wild Card Game; the 2020 AL Wild Card; the 2016 NL Division Series; the 2017 Midsummer Classic in Miami; the 2019 ALDS (MIN-NYY); and the 2020 ALCS...has worked Major League Spring Training since 2010...first Major League game was May 17, 2010 (D-backs at Marlins); working third base, he became the first Venezuelan umpire to work a regular season game in Major League history...started umpiring when he was 16, working the Professional Venezuelan Winter League in 1996...was a Minor League umpire from 2002-12...worked the Gulf Coast League (2002), New York-Penn League (2003), South Atlantic League (2002), Florida State League (2005), Texas League (2006), Southern League (2007) and International League (2008-12)...worked 17 seasons at various levels in Venezuela and 10 Caribbean World Series...worked 175 games as a call-up umpire since 2010 before being promoted to the full-time staff.

PERSONAL: Born in December 1979 in Caracas, Venezuela...resides in Florida...graduated from Luis A. Colomine High School in Valencia, Venezuela, and also attended the University of Carabobo’s Engineering School...earned a scholarship to enroll in The Jim Evans Academy of Professional Umpiring in 2001...lives happily with Jenny Ruiz and his kids, Sara, Daniela, Manuel Alejandro and Lenna Valentina...he is the son of Manuel and Elena and the younger brother of Kateryn and Kebty.

Chris Guccione - 68 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 17 Years

CAREER: Joined the Major League staff in 2009...was named one of the umpires for the 2011 All-Star Game in Arizona, working right field, and the 2021 Midsummer Classic in his native Colorado...has worked the Wild Card Game (2012, 17-19); Wild Card Series (2020, 2022); Division Series (2010-11, 13-16, 20, and 2023); the 2012 and 2019 National League Championship Series; the 2017, 2018 and 2022 American League Championship Series; and the 2016 and 2020 World Series, his first Fall Classic...worked in the Pioneer League, Midwest League, California League, Texas League and Pacific Coast League...has worked Major League Spring Training since 2000, when he also became a call-up umpire for regular season Major League games...his first Major League game was April 25, 2000, when he was at third base in Tom Glavine’s 1-0 shutout win over the Dodgers at Turner Field in Atlanta.

PERSONAL: Pronunciation of Chris’ last name is goo-CHEE-oh-nee...born in June 1974 in Colorado...married with one child...interests include hunting, fishing, camping and winemaking...also enjoys hiking and snowshoeing...Chris and his wife, Amy, have climbed several peaks of 14,000 feet or higher throughout Colorado, where they reside...served as the grand marshal of the Parade of Lights in Salida, Colo., in November 2011...in 2019, Chris saw the story of a teenage umpire in Colorado who witnessed a fight break out between adults at one of his games; in the days after, Chris invited the umpire to be his guest at a Colorado Rockies game and showed him what the life of a Major League Umpire is like.

Adam Hamari - 78

MAJOR LEAGUE SERVICE TIME: 9 Years

CAREER: Was promoted to the full-time Major League umpiring staff on Feb. 21, 2017…received his first Postseason assignment during the 2019 AL Wild Card Game and then worked a 2020, 2022 and 2023 AL Wild Card Series, a 2021 ALDS; and the 2022 and 2023 NLCS...was selected to the 2021 All-Star Game in Colorado...was first assigned to Major League Spring Training in 2012, and he had 485 Major League regular season games to his credit as a call-up umpire prior to his promotion to the Major League staff…has been a professional umpire since 2006…has served as an instructor at MLB’s Umpire Camps (MLBUC.com)...previously worked in the Appalachian League, New York-Penn League, Midwest League, California League, Florida State League, Southern League, Eastern League and International League.

PERSONAL: Pronunciation of Adam’s last name is HAMMER-ee...born in May 1983 in Marquette, Mich...resides in Colorado...married to Deanna...has two sons, Trayce and Hudson...graduated from Northern Michigan University with a Bachelor’s Degree in Math Education and a Master’s Degree in Education Administration...is an active member of the Calling for Christ Ministry...enjoys hunting, golf, basketball and spending time with his family.

Pat Hoberg - 31

MAJOR LEAGUE SERVICE TIME: 9 Years

CAREER: Was promoted to the full-time Major League umpiring staff on Feb. 21, 2017…his first Major League Spring Training was in 2014…worked his first career Postseason event with the 2018 AL Wild Card Game at Yankee Stadium before also working the 2019 NLDS; a 2020 NL Wild Card Series and the 2020 NLCS; a 2021 NLDS; and a 2022 ALDS and the 2022 World Series, the first of his career...had Replay duties for the 2021 World Series...he was on the field for 371 Major League games as a call-up umpire prior to his promotion to the Major League staff…has been a professional umpire since 2009...previously worked in the Arizona Rookie League, Florida Instructional League, Appalachian League, Midwest League, Florida State League, Texas League, Arizona Instructional League, Pacific Coast League and Arizona Fall League.

PERSONAL: Born in September 1986...resides in Iowa, where he was the home plate umpire for the memorable MLB at Field of Dreams contest between the White Sox and the Yankees on Aug. 12, 2021.

James Hoye - 92 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 16 Years

CAREER: Joined the Major League staff in 2010...was assigned to the 2011 NLDS; the 2014 AL Wild Card Game; the 2015 ALDS; the 2018 NL Wild Card Game; the 2018 ALCS; the 2019 ALDS; the 2019 World Series; a 2020 NL Wild Card Series; the 2020 and 2021 NLCS; the 2021 AL Wild Card Game; a 2022 ALDS; the 2022 World Series; and served as Crew Chief for a 2023 NL Wild Card and the 2023 ALCS...worked the 2015 Midsummer Classic in Cincinnati...served as a Replay Official in the 2017 Division Series...became a professional umpire in 1997...has worked in the New York-Penn League, South Atlantic League, Florida State League, Eastern League and International League...has worked Major League Spring Training games and has been a call-up umpire for Major League games since 2003...worked the inaugural World Baseball Classic in 2006... was behind the plate for a no-hitter for the first time in his Major League career in May 2018, when Seattle’s James Paxton, a native of Canada, blanked Toronto.

PERSONAL: Born in February 1971...graduated from Ohio State University...married to Sharri with three children...resides in Florida.

Marvin Hudson - 51 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Became a member of the Major League staff in 1999...worked the 2004 All-Star Game in Houston and was the Replay Official for the 2018 Midsummer Classic; a 2020 AL Wild Card Series; a 2023 NL Wild Card Series a 2005 National League Division Series; a 2011 American League Division Series; a 2012 NLDS; a 2013 NLDS; a 2015 ALDS; a 2016 NLDS; a 2020 ALDS; a 2022 ALDS; the 2014 ALCS; the 2019 ALCS; the 2023 ALCS and the 2016 World Series and the 2020 World Series...was a Replay Official for the 2018 Division Series...worked the Toronto round of the 2009 World Baseball Classic...worked Japan Opening Series in Tokyo between the A’s and Mariners in 2012...previously umpired in the Appalachian League (1992), South Atlantic League (1993), Florida Instructional League (1993), Florida State League (1994), Southern League (1995-96), Hawaiian League (1995), International League (1997-99) and Do­min­i­can League (1997).

PERSONAL: Born in March 1964 in Georgia...resides in Georgia...married to Sherry…has two children: Zackery and Breckyn, and grandchildren Camden, Maddox, Adylyn, Landyn and Briggs…graduated from Marietta High School (1982) and Piedmont College (1986)…ma­jored in Business Administration at Piedmont…was a catcher for the Piedmont baseball team...was awarded Piedmont’s Alumni Award in 2007...member of the Optimist Club in Washington, Ga...hobbies include playing golf and woodworking...co-founded an organization called “Blue For Kids” with fellow umpire Mike DiMuro in 2004; the organization is now part of Umps Care (umpscare.com), which provides financial, in-kind and emotional support for youth and families in need...is a proprietor of hudson51wear.com, an apparel and supply outlet for sports officials.

Dan Iassogna – 58 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 22 Years

CAREER: Has been a full-time member of the Major League staff since 2004...was named one of the umpires for the 2011 All-Star Game in Arizona, working third base...has worked the Wild Card Game (2013-14) and 2015 (Replay); the Wild Card Series (2020 and serving as Crew Chief in 2023); the Division Series (2005, '07, '09, '11-12, '17, '22); the League Championship Series (2010, '13-15, '20-21, serving as Crew Chief of the 2023 NLCS); and the 2012, 2017 and 2022 World Series...the 2022 Fall Classic was his first as crew chief...was one of the umpires who represented Major League Baseball during the 2006 Japan All-Star Series...worked the Toronto round of the 2009 World Baseball Classic, as well as the 2017 WBC...worked his first Major League game on Aug. 20, 1999, and worked American and National League games that year...previously umpired in the New York Penn League (1992-93), South Atlantic League (1994), Carolina League (1995), Texas League (1996-97) and International League (1998-2003).

PERSONAL: Pronunciation of Dan’s last name is I-SOHN-yah...born in May 1969 in Connecticut...resides in Georgia...married to Denise Lynn…has two daughters: Madeleine and Victoria…grad­u­at­ed from St. Joseph’s Catholic High School in Trumbull, Conn…re­ceived a B.A. in English from the University of Connecticut in 1991…plays the bagpipes...has given time to helping such causes as the Illinois Fire Safety Alliance Burn Camp for Kids; the Fire Department of New York’s “Lil Bravest” organization; and the Wounded Warrior Umpire Academy...Dan is active with the Cobb County (Ga.) Police Athletic League.

Adrian Johnson - 80 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 16 Years

CAREER: Named to the full-time Major League staff prior to the start of the 2010 season...received his first All-Star Game assignment in 2016 (San Diego), and his first Postseason series in 2017 (ALDS)...worked the 2018 NLDS (ATL-LAD); the 2019 ALDS (MIN-NYY); a 2020 AL Wild Card Series (OAK-CWS); the 2020 ALDS (OAK-HOU); and a 2022 NL Wild Card Series (SD @ NYM); the 2022 ALCS; and a 2023 AL Wild Card Series...has worked in the Gulf Coast League, Pioneer League, South Atlantic League, Florida State League, Eastern League and International League...began to work Major League Spring Training games and to serve as a call-up umpire for Major League games in 2006...umpired in the inaugural World Baseball Classic in 2006...was the home plate umpire for the no-hitter thrown by Arizona’s Edwin Jackson on June 25, 2010 at Tampa Bay and for Homer Bailey’s second career no-hitter on July 2, 2013.

PERSONAL: Born in May 1975...resides in Texas.

Brian Knight - 91

MAJOR LEAGUE SERVICE TIME: 15 Years

CAREER: Was promoted to the Major League staff for the 2011 season…was assigned to the 2013 AL Wild Card Game, the 2020 and 2022 AL Wild Card Series, the 2014 and 2015 NL Division Series, the 2016, 2021 and 2023 ALDS, and the 2022 NLCS...received his first World Series assignment in 2023...was the right field umpire in the 2012 All-Star Game in Kansas City and was the Replay Official for the 2022 All-Star Game at Dodger Stadium...worked the 2017 World Baseball Classic...collected 730 days of service in the Major Leagues as a call-up umpire before joining the Major League staff in 2011…has worked Major League Spring Training and was called up to the Majors each year since 2001 prior to his 2011 promotion…first Major League game was May 7, 2001 (White Sox at Rangers), when Brian was at third base…Brian was a Minor League umpire from 1995-2010, most recently in the Pacific Coast League (Triple-A) from 2000-10...previously umpired in the Pioneer League (1995), Midwest League (1996), Florida State League (1997) and Southern League (1998-99)...worked the Tokyo round of the inaugural World Baseball Classic in 2006...was behind the plate for Jon Lester’s May 19, 2008 no-hitter at Fenway Park.

PERSONAL: Born in October 1974 in Montana...resides in Nevada...Brian is a 1993 graduate of Capital High School in Helena, Mont...attended William Jewel College in Missouri before enrolling in the Brinkman-Froemming Umpire School in 1995...is the proud brother of Staff Sgt. Kevin Knight (USMC).

Ron Kulpa - 46 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...has worked the 2001 and 2015 All-Star Game; the Wild Card Series (2020); the Division Series (2001-02, '06-09, '11, '15-17, '20-21); the American League Championship Series (2005, '13-14); and the 2011 and 2021 World Series...was a part of the ALDS crew for White Sox-Rays in 2008...worked the semi-finals and finals of the 2009 World Baseball Classic at Dodger Stadium...umpired the 2000 Opening Series between the Chicago Cubs and New York Mets in Tokyo…previously worked in the North­west League (1992), Midwest League (1993), Carolina League (1994), Southern League (1995-96), Texas League (1997) and Pacific Coast League (1998-99)...worked behind the plate during Justin Verlander’s no-hitter vs. Milwaukee on June 12, 2007, and for Henderson Alvarez’s no-hitter vs. Detroit on Sept. 29, 2013.

PERSONAL: Born in October 1968 in St. Louis...resides in Florida...married and has one child…graduated from Hazelwood Central High School in 1987…attended Florissant Valley Community College (1989) and Missouri Baptist College (1990-92)…played baseball in college and then enrolled in umpire school…enjoys golf, bowling and hockey.

Jerry Layne - 24 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 35 Years

CAREER: Is the longest-serving active Major League umpire...became a member of the Major League staff in 1989...was the crew chief for the 2011 World Series and the 2017 NLDS...also has worked the All-Star Game (1994, 2001, '11, '14), the 2012 AL Wild Card Game, Division Series (1995, '98, 2001, '02, '05, '10-11, '13-14, '18), League Cham­pi­on­ship Series (1997, '99, 2006, '09, '12) and the 2005 World Series...was the Replay Official for the 2014 All-Star Game...umpired the 1999 Opening Day game in Monterrey, Mexico, between the San Diego Padres and Colorado Rockies…traveled to Japan and worked games in the country as part of a joint MLB-MLBPA All-Star Tour...was behind the plate for Fernando Valenzuela’s no-hitter (June 29, 1990)...worked the plate when Barry Bonds hit his 71st homer in 2001...was behind the plate for Game 3 of the 2005 World Series, then the longest game in Fall Classic history (14 innings, 482 pitches)...was an instructor at MLB’s inaugural Umpire Camps (MLBUC.com), held at MLB’s Urban Youth Academy in Compton, Calif., in November 2006...was named a crew chief for the 2010 season...has been an instructor at the Harry Wendelstedt Umpire School (1977-2006)...umpired in the Appalachian League (1978), Florida State League (1979-81), Southern League (1982-84) and Pacific Coast League (1985-87).

PERSONAL: Born in September 1958 in Kentucky...resides in Florida...married to Jacqueline…has two children: Brittany and Monica…graduated from Elgin High School in Marion, Ohio…works with disabled American veterans…one of his proudest moments as a Major League umpire was working the 1994 All-Star Game in Pittsburgh…enjoys fishing and participating in church and school activities with his daughters in the offseason…hobbies include fishing and outdoor activities.

Nic Lentz - 59

MAJOR LEAGUE SERVICE TIME: 6 Years

CAREER: Joined the Major League staff in 2020...received his first career Postseason assignment with a 2022 NL Division Series (PHI-ATL); worked a 2023 ALDS...had been a Minor League umpire since 2008...posted more than 500 assignments to Major League games as a call-up umpire...has worked Major League Spring Training since 2015...made his Major League debut on April 20, 2016 at Miami.

PERSONAL: Born in December 1989 in Michigan...resides in the western part of his home state.

John Libka - 84

MAJOR LEAGUE SERVICE TIME: 4 Years

CAREER: Was promoted to the Major League staff before the 2022 season…received his first Postseason assignment with NL Wild Card Series duties in 2022; worked a 2023 ALDS...became a Minor League umpire in 2010, when he also began to work Major League Spring Training…John has 371 Major League games as a call-up umpire since 2017…he worked Triple-A West in 2021.

PERSONAL: Born in June 1987.

Will Little - 93

MAJOR LEAGUE SERVICE TIME: 10.5 Years

CAREER: Was appointed to the Major League staff for the 2015 season...worked his first Postseason assignment in 2016 during the AL Wild Card Game before also working the 2017 NLDS; the 2018 AL Wild Card Game; the 2019 NLDS; a 2020 NL Wild Card Series; the 2020 NLCS; a 2021 NLDS; a 2022 ALDS; and a 2023 NLDS...worked the 2017 World Baseball Classic....served as one of the 2022 All-Star Game umpires at Dodger Stadium...has umpired professionally since 2007...has worked MLB Spring Training since 2012...had been a Major League call-up umpire since 2013 prior to his 2015 promotion...made his Major League debut on June 24, 2013, when Cleveland visited Baltimore...previously umpired in the Appalachian League (2007), Florida Instructional League (2007), Hawaii Winter League (2008), South Atlantic League/Carolina League (2008-09), Southern League (2009-11), Arizona Instructional League (2009-10), the MLB SiriusXM All-Star Futures Game (2011), Dominican Winter League (2011), WBC Qualifier Regensburg, Germany (2012), Arizona Fall League (2012) and the International League (2012-14).

PERSONAL: Born in March 1984...resides in Ten­nessee with his wife, Katy, and three sons...graduated from Milligan College, where he played baseball all four years...received a Bachelor of Science in 2006.

Shane Livensparger - 43

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League umpire in 2009, when he also began to work Major League Spring Training…Shane worked 382 Major League games as a call-up umpire prior to becoming a full-time Major League umpire.

PERSONAL: Born in January 1984….currently resides in Jacksonville, Fla., with his wife, Haley, and son, Bennett...he grew up in Angola, Ind. before attend­ing and graduating from Flagler College in St Augustine, Fla., in 2006...Shane became a Second Lieutenant in the U.S. Air Force’s Georgia Air National Guard in December 2022…Shane’s last name is pronounced LIE-venn-spar-gurr.

Nick Mahrley - 48

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League umpire in 2007, when he also began to work Major League Spring Training…Nick worked 473 Major League games as a call-up umpire prior to becoming a full-time Major League umpire.

PERSONAL: Born in September 1982….Nick and his wife Jodi reside in Arizona...he is a native of Bartlett, Ill....his hobbies include golf, fishing and Arabian horses...Nick served in the United States Air Force.

Alfonso Márquez – 72 – CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Joined the Major League staff in 1999...became the first-ever Mexican-born umpire to make it to the Major Leagues...worked the 2017 AL Wild Card Game; the Wild Card Series (2020, 2022); the Division Series (2001-02, '05-06, '11-12, '15, '18-21, '23); the League Championship Series (2003, '08, '13, '16-17, '22); the World Series (2006, '11, '15, '21 and '23); and the 2006 and 2018 All-Star Games...attended the Brinkman Umpire School (1993)...was an instructor at the inaugural MLB Umpire Camps (MLBUC.com), held at MLB’s Urban Youth Academy in Compton, Calif., in November 2006...had the most “squats” of any full-time Major League umpire in 2008 with 11,254...worked in the Arizona Fall League (1993), Arizona In­struc­tion­al League (1993-97), Northwest League (1993), Midwest League (1994), California League (1995), Southern League (1996-97) and Pacific Coast League (1998-99)...in 2020, Alfonso became the first Latino-born crew chief in MLB history... returned to his native Mexico when Arizona and Colorado met in Monterrey in 2019 Spring Training.

PERSONAL: Pronunciation of Alfonso’s last name is mar-KEZ...born in April 1972 in Mexico...resides in Arizona...is married to Staci...has three children: Alfonso Antonio, Makeyla Karen and Cristian Larry…graduated from Fullerton High School…as the first Mexican-born umpire to reach the Majors, he received an award in Zacatecas for that accomplishment…started Fonzie’s Kids - an organization that raises money and collects clothes and sporting equipment for kids in Mexico...inducted into the Mexican Baseball Hall of Fame in Monterrey (May 2001)...enjoys spending time with his family, playing golf and riding motorcycles in the offseason…played Little League and high school baseball…became interested in umpiring during a Little League game at the age of 14.

Ben May – 97

MAJOR LEAGUE SERVICE TIME: 4 Years

CAREER: Was promoted to the Major League staff before the 2022 season… received his first Postseason assignment with NL Wild Card Series duties in 2022; worked a 2023 NLDS...became a Minor League umpire in 2007, when he also began to work Major League Spring Training…Ben has 650 Major League games as a call-up umpire since 2014…he worked Triple-A West in 2021.

PERSONAL: Born in June 1982...the Wisconsin resident is a graduate of St. Catherine’s High School in Racine and Marquette University’s Class of 2005.

Bill Miller - 26 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...was appointed a crew chief for the 2014 season...has worked the AL Wild Card Game (2012, '14, '15); the NL Wild Card Game (2018); Wild Card Series (2020); Division Series (2002-03, '05, '08, '10, '13, '17, '20, '22); the 2009, 2018 and 2021 ALCS; the NLCS (2011-12, '14-15); the 2010, 2013, 2017 and 2020 World Series; and the 2007 and 2022 All-Star Games...was selected crew chief for the 2016 and 2023 ALDS, the 2019 AL Wild Card Game; the 2019 NLDS; and the 2023 World Series...worked the San Diego round of the 2009 World Baseball Classic...was one of the Major League umpires who worked the 2013 World Baseball Classic Championship Round in San Francisco...was an instructor at MLB’s inaugural Umpire Camps (MLBUC.com), held at MLB’s Urban Youth Academy in Compton, Calif., in November 2006 and again in 2010, and participated in MLB’s Umpire Camp for Marines as an instructor in March 2009 in San Diego...previously worked in the Northwest League (1990), Arizona In­struc­tion­al League (1990), South Atlantic League (1991), California League (1991-92), Texas League (1993-94), International League (1995) and Pacific Coast League (1995-99).

PERSONAL: Born in May 1967 in California...has three children: Emily, Margaret and Caroline…graduated from Harbor High School in 1985…received a B.A. in History from UCLA in 1989…member of the Sigma Chi Fraternity...umpired high school baseball in the inner-city of Los Angeles as part of the City Unit…hobbies include golf and snow skiing…was first exposed to umpiring in the seventh grade by a sports officiating class.

Brennan Miller - 55

MAJOR LEAGUE SERVICE TIME: 2.5 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League umpire in 2013...he worked the 2016 Futures Game and Home Run Derby during All-Star Game festivities in San Diego...Brennan earned Major League Spring Training and became a call-up umpire in 2019…Brennan worked 195 Major League games as a call-up umpire prior to becoming a full-time Major League umpire…was primarily a member of Mark Carlson’s crew in 2023 and Chris Conroy’s in 2024... Brennan’s first Major League game was April 20, 2019 (Minnesota at Baltimore).

PERSONAL: Born in July 1991...born and still resides in Alexandria, Va...he is a 2009 graduate of South County High School and went on to play baseball and basketball at Chesapeake College in Maryland...in the offseason, he is a fitness coach and hosts an annual UMPS CARE Charities East Coast Classic golf tournament.

Malachi Moore - 44

MAJOR LEAGUE SERVICE TIME: 2.5 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a Minor League umpire in 2012, when he also began to work Major League Spring Training…Malachi worked 156 Major League games as a call-up umpire prior to becoming a full-time Major League umpire…will be a member of Bill Miller’s crew in 2024.

PERSONAL: Born in June 1990 in Compton, Calif…married with two sons...graduated from Dominguez High School and Compton College...in his youth, Malachi attended MLB’s Urban Youth Academy in Compton, where he played and worked in a variety of roles before becoming an umpire….Malachi currently instructs at the Harry Wendelstedt Umpire School and hosts an annual umpire camp in Compton...wears No. 44 in honor of retired Major League umpire Kerwin Danley, who helped Malachi find his career path through the Major League Baseball Umpire Camps.

Gabe Morales - 47

MAJOR LEAGUE SERVICE TIME: 9 Years

CAREER: Was promoted to the full-time Major League umpiring staff on Feb. 21, 2017…he was first assigned to Major League Spring Training in 2014, and he worked 420 Major League games as a call-up umpire prior to his promotion to the Major League staff…worked his first career Postseason event with the 2018 NL Wild Card Game at Wrigley and also has worked a 2020 NL Wild Card Series; a 2021 NLDS; and a 2023 NLDS...served as one of the 2022 All-Star Game umpires at Dodger Stadium...has been a professional umpire since 2009...has served as an instructor at MLB’s Umpire Camps (MLBUC.com)...previously worked in the Arizona Rookie League, New York-Penn League, Florida Instructional League, South Atlantic League, Florida State League, California League, Texas League, Arizona Instructional League, Venezuela League, International League, Pacific Coast League and Arizona Fall League.

PERSONAL: Born in June 1984...he and his wife, Michelle, reside in California.

Edwin Moscoso - 32

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…selected to work his first Postseason with a 2023 NL Wild Card Series...attended the MLB Umpire Camp in Compton, Calif. in 2013…became a Minor League Umpire in 2014…worked the Gulf Coast League (2014), New York-Penn League (2014), South Atlantic League (2015), Florida State League (2016), Southern League (2017-18) and Pacific Coast league (2018-22)…worked the Arizona Fall League in 2019…worked three seasons in the Professional Venezuelan Winter League…he became the first Venezuelan-born umpire to work the All-Star Futures Game in 2018 at Nationals Park…in 2020, he began to work Major League Spring Training…Edwin worked 333 Major League games as a call-up umpire prior to becoming a full-time Major League Umpire…first Major League game was on July 23, 2020 at Dodger Stadium…will be a member of Jerry Layne’s crew in 2024.

PERSONAL: Born in May 1989 in Caracas, Venezuela…grew up in the town of Palo Negro…attended the University of Carabobo, where he studied chemical engineering…he and his wife, Gabriela, have a daughter, Alice...he is the son of Franklin and Edith and the younger brother of Aldrys.

Mike Muchlinski - 76

MAJOR LEAGUE SERVICE TIME: 12 Years

CAREER: Was appointed to the Major League staff for the 2014 season...has worked a 2016 NL Division Series; a 2018 NLDS; the 2019 NLCS; a 2020 AL Wild Card Series and a 2022 NL Wild Card Series; and a 2021 NLDS and then the 2021 World Series, his first; the 2022 ALCS; a 2023 AL Wild Card; and the 2023 NLCS...served as a Replay Official for the 2017 Wild Card Games and League Championship Series...worked his first All-Star Game in 2018 in Washington, D.C...also was in Tokyo for the 2019 Opening Series between the Mariners and the A’s, which was the farewell for Seattle great Ichiro Suzuki...began to umpire in the Minor Leagues in 1999...has worked in the Arizona League, Northwest League, Midwest League, Carolina League, Eastern League and Pacific Coast League....made his Major League debut April 24, 2006...worked 569 Major League games as a call-up umpire prior to his 2014 promotion.

PERSONAL: Pronunciation of Mike’s last name is muh-LYNN-ski...born in the state of Washington in 1977 and has lived in the Evergreen State for his entire life…married to Julie Elizabeth, and they have four children: Mason, Samson, Ryen Elizabeth and Emmett…graduated with a BS in Speech Communication from the University of Washington…picked up the international travel bug and has spent time with family in Great Britain, Ireland, Costa Rica, Mexico and Thailand…greatly enjoys anything outdoors (golf, hiking, beach time, reading, playing ball with the kids, etc.)…active member of the Calling for Christ umpire ministry.

Brian O’Nora - 7

MAJOR LEAGUE SERVICE TIME: 27 Years

CAREER: Joined the Major League staff in 1999...has worked the Division Series (2004, '06, '09-10, '12, '14-15-Replay, '17), the 2008 American League Championship Series, the 2012 World Series, the 2000 All-Star Game in Atlanta, the 2010 Midsummer Classic in Anaheim and the 2019 All-Star Game in Cleveland...attended the Joe Brinkman Umpire School in 1985...previously umpired in the Appalachian League (1985), Midwest League (1986-87), Eastern League (1988-89), Pacific Coast League (1990), American Association (1991), International League, Florida Instructional League (1985-89) and Puerto Rican Winter League (1990-92)...was behind the plate for the Cubs’ combined no-hitter in 2021.

PERSONAL: Born in February 1963 in Ohio...resides in Ohio...married to Joanne…has three children: Joseph, Michael and Elaina…graduated from Austintown Fitch High School…became interested in umpiring after reading an article about it in Sports Illustrated…hobbies include golf, training dogs and going to the gym.

Roberto Ortiz - 40

MAJOR LEAGUE SERVICE TIME: 4 Years

CAREER: Was promoted to the Major League staff before the 2022 season…worked his first career Postseason with the AL Wild Card Series between Seattle and Toronto in 2022; also worked a 2023 ALDS...became a Minor League umpire in 2009, when he also began to work Major League Spring Training….Roberto worked the 2016 World Baseball Classic Qualifiers in Australia...Roberto had 411 Major League games as a call-up umpire since 2016 before his promotion…Roberto is the first native of Puerto Rico to be a member of the full-time Major League Umpiring staff. Upon being named a Major League umpire, he said: “I am honored and blessed to have the privilege of becoming the first Puerto Rican umpire to be hired by MLB. It fills me with pride to be able to represent my family and my island of Puerto Rico in what I consider the best league in the world.”

PERSONAL: Born in December 1984 in Caguas, Puerto Rico...graduated from the University of Puerto Rico in Cayey 2006...played college baseball (LAI) and semi-pro in PR...began umpiring baseball in 2007...Roberto was the first Puerto Rican umpire to work a Major League game in Puerto Rico when Cleveland and Minnesota met in 2018... resides in Florida.

Alan Porter - 64 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 13 Years

CAREER: Joined the Major League staff in 2013...worked his first Major League game on April 5, 2010 (LAD @ PIT)...worked the 2014 NLDS; the 2015 NLDS; the 2016 NLDS; the 2017 NLDS; the 2018 AL Wild Card Game and the 2018 NLCS; the 2019 NLDS and the 2019 World Series; a 2020 NL Wild Card Series and the 2020 NLCS; the 2021 NL Wild Card Game and 2021 ALCS; a 2022 ALDS; the 2022 World Series; and served as Crew Chief for a 2023 NL Wild Card Series...worked the 2015 All-Star Game in Cincinnati...has been assigned to Major League Spring Training since 2009...worked 300 Major League games as a call-up umpire from 2010 until his 2013 promotion to the Major League staff...spent 11 seasons in the Minor Leagues before getting promoted to the Major League staff...began career in 2002 in the Gulf Coast League...worked the New York-Penn League (2003), South Atlantic League (2004), Carolina League (2005), Eastern League (2006-07) and International League (2008-12)...also worked the Puerto Rico League in the winter of 2010.

PERSONAL: Born in December 1977...resides in Pennsylvania....graduated from Hatboro-Horsham High School in Horsham, Pa., in 1995...graduated from Montgomery County (Pa.) Community College before attending California University of Pennsylvania...attended the Wendelstedt Umpire School in 2002...has two sons, Alan III (Trey) and Alexander.

David Rackley - 86

MAJOR LEAGUE SERVICE TIME: 11 Years

CAREER: Was appointed to the Major League staff for the 2014 season...worked the 2016 AL Wild Card Game; the 2017 NL Wild Card Game; the 2019 NL Wild Card Game; a 2020 AL Wild Card Series and the 2020 ALDS; the 2021 ALCS; a 2022 NLDS; a 2023 NLDS; and the 2023 World Series...was one of the Replay Officials for the 2018 Division Series...was selected to the 2021 All-Star Game in Colorado...began as an umpire in the Minor Leagues in the 2001 season...had his first Major League game on Aug. 13, 2010...has worked in the Arizona League, Florida Extended Spring Training, Northwest League, Florida Instructional League, South Atlantic League, California League, Arizona Instructional League, Texas League, Dominican Winter League, Venezuela Winter League and International League.

PERSONAL: Born in October 1981...resides in North Carolina with his wife and three children...in his time off, he enjoys serving the Lord and spending time with his family.

Tony Randazzo - 11

MAJOR LEAGUE SERVICE TIME: 24.5 Years

CAREER: Joined the Major League staff in 1999...has worked the 2001 Midsummer Classic in Seattle; the 2012 All-Star Game in Kansas City; the Division Series (2004, '06, '09, '11-13, '16, '21); the 2010 and 2015 American League Championship Series; and 2016 World Series...previously umpired in the New York-Penn League (1989), Florida State League (1990-91), Texas League (1992-93), Arizona Fall League (1993), American Association (1994-95) and Pacific Coast League (1996-99).

PERSONAL: Born in January 1965 in Chicago...married to Vivian Michele…has three children: Ashleigh Monet, Angelina Noel and Avabella…graduated from Lake Park High School in 1983…attended Iowa Western Community College…donates time to the National Italian-American Sports Hall of Fame; his father, George, is the organization’s president…won the American Legion Award in 1979…played baseball in college until suffering an arm injury…enjoys spending time with his family in the offseason…hobbies include exercising and following the Chicago Bears.

Jeremie Rehak - 35

MAJOR LEAGUE SERVICE TIME: 5 Years

CAREER: Became a member of the Major League staff for the 2021 season...received his first career Postseason assignment with a 2022 ALDS (CLE-NYY); also worked a 2023 AL Wild Card Series...has worked 281 Major League games prior to this season as a call-up umpire...attended the Wendelstedt Umpire School...previously umpired in the Gulf Coast League, Appalachian League, Florida Instructional League, Midwest League, California League, Eastern League, Arizona Instructional League, International League and Arizona Fall League...was behind the plate for the combined no-hitter by Corbin Burnes and Josh Hader in September 2021.

PERSONAL: Pronunciation of Jeremie’s last name is RE-hack...born in November 1987...resides in North Carolina.

D.J. Reyburn - 17

MAJOR LEAGUE SERVICE TIME: 12 Years

CAREER: Was appointed to the Major League staff for the 2014 season...received his first Postseason assignment in 2018 with an ALDS before also working the 2019 ALDS, a 2020 Wild Card Series, a 2021 ALDS, a 2022 NL Wild Card Series; the 2022 ALCS; a 2023 ALDS; and the 2023 World Series...worked the 2019 All-Star Game in Cleveland and the 2017 World Baseball Classic...became an umpire in the Minor Leagues in the 2000 season...in 2013, he worked in the Triple-A Pacific Coast League...worked 440 Major League games as a call-up umpire from his debut on June 10, 2008 until his 2014 promotion to the Major League staff...has worked in the Arizona League, Appalachian League, Midwest League, Florida State League, Eastern League, Pacific Coast League and International League.

PERSONAL: Born in October 1976 in Michigan...resides in Tennessee with wife Cherie and three children...graduated in 1999 with a B.A. in Sociology from Hope College, where he played two years of football and four years of baseball...began to love umpiring baseball during high school, when he umpired youth baseball in Lansing, Mich., for summer employment...spent his high school and college summers playing and umpiring baseball and was given the gift of umpire school tuition as a college graduation present from his parents...has one sibling, an older brother named Mike, who graduated from West Point in 1995 and is currently a Colonel in the United States Army.

Mark Ripperger - 90

MAJOR LEAGUE SERVICE TIME: 11 Years

CAREER: Was appointed to the Major League staff for the 2015 season...has umpired professionally since the 2003 season...worked his first Postseason series in 2020 during an NL Wild Card Series...worked the 2022 CLE-NYY ALDS; a 2023 NL Wild Card Series and the 2023 ALCS...served as one of the 2022 All-Star Game umpires at Dodger Stadium...was first assigned to Major League Spring Training in 2009...worked his first Major League game on Sept. 30, 2010 (LAA at TEX)...worked more than 200 regular season Major League games as a call-up umpire from 2010 until his 2015 promotion to the Major League staff...previously worked in Arizona League (Rookie), Northwest League, Midwest League, California League, Eastern League, Hawaii Winter League and Pacific Coast League...also worked the Arizona Fall League and the Venezuelan Winter League.

PERSONAL: Pronunciation of Mark’s last name is RIP-per-gurr...born in August 1980...resides in California.

Stu Scheurwater - 85

MAJOR LEAGUE SERVICE TIME: 8 Years

CAREER: Became a member of the Major League staff prior to the 2018 season...Worked his first Postseason series in 2020 in an NL Wild Card Series, as well as the 2020 NLDS...worked a 2022 NLDS; a 2023 NL Wild Card Series; and the 2023 ALCS...was selected to work the 2023 All-Star Game in Seattle, his first Midsummer Classic...had been a Minor League umpire since 2007…Stu was first assigned to Major League Spring Training in 2013…prior to his promotion to the big-league staff, Scheurwater worked 268 Major League games as a call-up umpire during the regular season…he has worked in extended Spring Training, the Arizona Rookie League, the Northwest League, the South Atlantic League, the Carolina League, the Arizona Instructional League, the Texas League, the Pacific Coast League and the Arizona Fall League…the native of Saskatoon, Saskatchewan is now the first full-time umpire to hail from Canada since the late Jim McKean, who was a Major League umpire from 1974-2002...has regularly worked the recent Spring Training games in his home country at Montreal’s Olympic Stadium.

PERSONAL: Pronunciation of Stu’s last name is SURE-water...born in May 1983 in Saskatchewan, where he continues to reside with his wife and son.

Chris Segal - 96

MAJOR LEAGUE SERVICE TIME: 6 Years

CAREER: Was named to the Major League staff in 2020...was selected to work the 2021 NL Wild Card Game at Dodger Stadium; the 2022 NLDS (SD-LAD) and a 2023 NL Wild Card Series...had been a Minor League umpire since 2006...had more than 650 assignments to Major League games as a call-up umpire...has worked Major League Spring Training since 2012.

PERSONAL: Pronunciation of Chris’ last name is see-GULL...born in 1982 in Northern Virginia…proud dog dad to Ben and Bailee…began umpiring in high school at West Springfield Little League…currently instructs with Mid-Atlantic Officials and United Collegiate Umpires…is active in the Calling For Christ professional umpire ministry…is active with Umps Care, the official charity of the Major League Umpires, for which he ran his first half-marathon in 2020…is an Eagle Scout…graduated from Lake Braddock Secondary School…was named conference Rookie of the Year for baseball and earned a degree in English Literature from St. Mary’s College of Maryland.

Todd Tichenor - 13 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 14 Years

CAREER: Was promoted to the Major League staff for the 2012 season...was selected as the left field umpire for the 2014 All-Star Game in Minneapolis and the crew chief and home plate ump at the 2023 All-Star Game in Seattle...was the right field umpire for the 2014 AL Wild Card Game in Kansas City and worked the 2020 Wild Card Series; 2015 ALDS; 2016 NLDS; 2017 NLCS; 2018 NLDS; the 2019 ALDS; the 2020 ALDS; the 2020 World Series; the 2021 NLCS; and a 2022 AL Wild Card Series and the 2022 NLCS...served as Crew Chief for a 2023 NLDS...worked the 2017 World Baseball Classic...worked 530 games as a call-up umpire prior to his 2012 promotion...has worked Major League Spring Training since 2006...was called up to the Majors each year since 2007, prior to his 2012 promotion...first Major League game was June 8, 2007 (Blue Jays at Dodgers), when Todd was at third base...served as a Minor League umpire from 1999-2011, most recently in the Pacific Coast League (Triple-A) from 2004-11...previously umpired in the Pioneer League (1999-2000), South Atlantic League (2000), Carolina League (2000-01) and Texas League (2002-03).

PERSONAL: Pronunciation of Todd’s last name is tish-NUR....born in December 1976 in Nebraska...resides in Kansas with his wife, Kelly, sons, Kaden and Kooper, and daughter, Teagan.

Carlos Torres - 37

MAJOR LEAGUE SERVICE TIME: 8 Years

CAREER: Was promoted to the full-time Major League umpiring staff on Feb. 21, 2017…received his first Postseason assignment during the 2019 NL Wild Card Game and then worked a 2020 AL Wild Card Series; a 2021 NLDS; a 2022 ALDS; a 2023 AL Wild Card Series; and the 2023 NLCS...served as one of the 2022 All-Star Game umpires at Dodger Stadium...his first Major League Spring Training was in 2015, and he was a part of 179 regular season games as a call-up umpire prior to his promotion to the Major League staff…has been a Minor League umpire since 2009...previously worked in the Gulf Coast League, extended Spring Training, New York-Penn League, South Atlantic League, Carolina League, Southern League, International League and Arizona Fall League…Torres is the first product of MLB’s Umpire Camps, an initiative that began in 2006, to become a Major League Umpire; he attended a week-long MLB Umpire Camp, which has provided umpire training and opportunities for attendees to earn scholarships to professional umpiring schools, in 2008…after attending the Umpire Camp, he graduated from umpire school and began a Minor League umpiring career.

PERSONAL: Born in September 1978…resides in Georgia.

Alex Tosi - 66

MAJOR LEAGUE SERVICE TIME: 2.5 Years

CAREER: Was promoted to the Major League staff before the 2023 season…made his Postseason debut during a 2023 AL Wild Card Series...became a Minor League Umpire in 2011, when he also began to work Major League Spring Training…Alex worked 187 Major League games as a call-up umpire prior to becoming a full-time Major League Umpire…will be a member of Todd Tichenor’s crew in 2023...began working Major League Spring Training in 2017...umpired in the New York-Penn League (2011), Midwest League (2012), Florida State League (2013), Eastern League (2014-15), Arizona Fall League (2017-18) and International League (2016-22)..was behind the plate for the Astros’ combined no-hitter vs. the Yankees on June 25, 2022 at Yankee Stadium.

PERSONAL: Born in March 1988 in Markham, Ontario… resides in Arizona...graduated from Dunlap High School and earned a finance degree from Illinois Wesleyan University, where he was a pitcher on the 2010 D3 National Championship baseball team.

John Tumpane - 74

MAJOR LEAGUE SERVICE TIME: 11 Years

CAREER: Was promoted to the full-time Major League umpiring staff on July 1, 2016, and spent the remainder of the season on the crew of Jeff Kellogg...worked the 2017 AL Wild Card Game, a 2020 AL Wild Card Series, the 2018 and 2022 NLDS; the 2019 ALDS; the 2020 ALCS; and a 2023 ALDS...began to umpire in the Minor Leagues in 2002...previously worked in the Gulf Coast League, extended Spring Training, New York-Penn League, South Atlantic League, Florida State League, Eastern League and Pacific Coast League...worked winter ball in the Dominican Republic and Venezuela...worked his first Spring Training game in 2009…served as an umpire at the 2008 SiriusXM All-Star Futures Game at Yankee Stadium during MLB All-Star Week…served as an instructor at the inaugural MLB Umpire Camp in 2006..has already been behind the plate for two no-hitters in his Major League career: for Houston’s Mike Fiers in August 2015 as well as for the combined Dodger no-hitter, started by Walker Buehler, in Monterrey, Mexico in May 2018.

PERSONAL: Born in May 1983...resides in Illinois.

Junior Valentine - 25

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff before the 2023 season…became a professional umpire in 2011 after graduating from the Harry Wendelstedt Umpire School...worked in the Appalachian League (2011), South Atlantic League (2012), Carolina League (2013), Eastern League (2014-15), Pacific Coast League (2016-19), International League (2020-22) and Arizona Fall League (2018-19, 2021)...teaches at Wendelstedt Umpire School and is currently the Chief Instructor.

PERSONAL: Born in October 1987…resides in Tennessee...attended Cosby High School…graduated from Maryville College in Tennessee, where he played baseball and received a degree in History with Teacher Licensure.

Larry Vanover – 27 - CREW CHEIF

MAJOR LEAGUE SERVICE TIME: 31 Years

CAREER: Joined the Major League staff in 1993...worked the 1999 and 2013 All-Star Games; a 2020 AL Wild Card Series; the 2006 American League Division Series; the 2013 ALDS; the 2016 NLDS; the 2003 and 2007 National League Championship Series; the 2011 American League Championship Series and the 2016 World Series...worked the San Juan, Puerto Rico round of the 2009 World Baseball Classic, as well as the 2017 WBC...made the first call in the history of expanded instant replay in 2014; working from the Replay Operations Center on March 31, 2014, Larry confirmed an out call at first base in the top of the fifth inning of Cubs-Pirates Opening Day game...Larry’s 2014 regular season concluded with plate duties for Derek Jeter’s final game on Sept. 28, 2014 at Fenway Park...previously umpired in the South Atlantic League, Midwest League, Southern League, American Association, Pacific Coast League, International League and Venezuelan League.

PERSONAL: Is an active member of the American Legion...sponsors a youth American Legion baseball team...enjoys raising and training Labrador retrievers as well as duck and pheasant hunting... to remember his 22-year-old son Tyler Wayne Vanover, who passed away in 2018, the Vanover family is in the planning stages of developing “The Tyler Vanover Rescue Ranch”...Tyler was an avid animal lover who cared for several horses and Labrador retrievers...the Ranch will be a welcome home for horses and dogs that need a good place to live.

Jansen Visconti - 52

MAJOR LEAGUE SERVICE TIME: 6 Years

CAREER: Was appointed to the Major League staff in 2020...was selected to work the 2021 AL Wild Card Game; a 2022 ALDS and a 2023 ALDS...had been a Minor League umpire since 2010...had more than 250 assignments to Major League games as a call-up umpire...has worked Major League Spring Training since 2018.

Clint Vondrak - 15

MAJOR LEAGUE SERVICE TIME: 2 Years

CAREER: Clint was promoted to the full-time Major League staff prior to the 2024 season...has been a Minor League Umpire since 2012...Clint has worked in the Arizona League, Pioneer League, Midwest League, California League, Southern League, Pacific Coast League, International League and the Arizona Fall League...has worked Major League Spring Training since 2022... has 286 games of Major League experience as a call-up umpire during the regular season.

PERSONAL: Born in March 1989....resides in Missouri.

Mark Wegner – 14 - CREW CHIEF

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Joined the Major League staff in 1999...worked the 2014 and 2018 NL Wild Card Games; a 2020 NL Wild Card Series; a 2023 AL Wild Card Series; the Division Series (2003, '04, '05, '08, '09, '12, '13, '17, '20); the National League Championship Series (2007, '15); and the American League Championship Series (2014, '16, '18); the World Series (2013, '17); the World Baseball Classic (2009, '13, '17); the 2008 All-Star Game at Yankee Stadium; and was the crew chief for the 2019 Midsummer Classic in Cleveland and 2019 ALDS...previously umpired in the Pioneer League (1992), Midwest League (1993), Florida State League (1994), Eastern League (1995-96), International League (1997) and Pacific Coast League (1998)...was behind the plate for Tim Lincecum’s no-hitter at San Diego on July 13, 2013.

PERSONAL: Born in March 1972 in Minnesota...resides in Florida...has been married for 28 years and has five children…1990 graduate of Cretin Derham High School in St. Paul, the same alma mater as former umpire Tim Tschida…as a senior, was co-captain of his high school baseball team…taught himself how to throw left-handed in high school after severely injuring his right arm in his freshman year...began umpiring Little League games in college…proudest moments of his Major League career were working home plate for the first time and working the plate for Game 7 of the 2017 World Series…does work on behalf of Umps Care Charities (umpscare.com)...participates in church activities, attends daily Mass and helps organize the Tampa Men’s Catholic Conference every year...enjoys spending time with his family and working out in the offseason.

Hunter Wendelstedt - 21

MAJOR LEAGUE SERVICE TIME: 25 Years

CAREER: Became a member of the Major League staff in 1999...was named one of the umpires for the 2011 All-Star Game in Arizona, working second base....has worked the 2015 NL Wild Card Game and a 2022 AL Wild Card Series; Division Series (2003, '10, '13-14, '16); the 2006, 2015 and 2017 American League Championship Series; the 2018 National League Championship Series; the 2014 World Series; and the 1995 and 1996 Hall of Fame Games in Cooperstown, N.Y...was a part of the crew that worked the 2008 MLB China Series, the first MLB games ever played in China, and the 2008 Japan Opening Series...worked the San Diego round of the 2009 and 2017 World Baseball Classic...participated in MLB’s Umpire Camp for Marines as an instructor in March 2009 in San Diego...previously umpired in the Appalachian League, South Atlantic League, Florida State League, Eastern League, International League, Pacific Coast League, Arizona Fall League and Florida Instructional League...was behind the plate for a no-hitter for the first time in his Major League career in April 2018, when Oakland’s Sean Manaea blanked Boston.

PERSONAL: Born in June 1971 in Atlanta...resides in Louisiana...married to Katherine…has two children: Bridget Elizabeth and Hailey Grace...graduated from Father Lopez High School…played baseball while attending Loyola University…is a Vice President of the Harry Wendelstedt Umpire School…involved with the YMCA Ormond Beach and YMCA Edgewater Charity Golf Tour­na­ments; the Blood Drive at Wendelstedt Umpire School; and the New Orleans Jesuits…earliest memory of baseball was meeting Steve Garvey at Dodger Stadium in 1976…proudest moment as a Major League Umpire was working Major League games with his father, 33-year National League Umpire Harry, who passed away in March of 2012…Hunter and Harry worked several series together during August of 1998, when Hunter was a call-up umpire...wears his father’s uniform number, 21…enjoys traveling, skiing and fol­low­ing University of Florida football in the offseason…hobbies include fishing, cooking and skiing.

Chad Whitson - 62

MAJOR LEAGUE SERVICE TIME: 6.5 Years

CAREER: : Joined the Major League staff during the 2019 season...had been a professional umpire since 2005...had worked 399 regular season games as a call-up umpire since his Major League debut in 2014...has worked Major League Spring Training since 2012...was named to an AL Wild Card Series in 2022 (TB @ CLE).

Ryan Wills - 20

MAJOR LEAGUE SERVICE TIME: 3 Years

CAREER: Was promoted to the Major League staff prior to the 2024 season…Ryan has 386 games of Major League experience as a call-up umpire…became a Minor League Baseball umpire in 2011...has worked in the Gulf Coast League, Appalachian League, South Atlantic League, California League, Carolina League, Texas League, Eastern League and International League, as well as the Arizona Fall League in 2019 and 2021…began umpiring Major League Spring Training and was named to the call-up staff in 2020.

PERSONAL: Born in September 1987…is a resident of Virginia.

Quinn Wolcott - 81

MAJOR LEAGUE SERVICE TIME: 10.5 Years

CAREER: Joined the Major League staff during the 2014 regular season...was officially appointed to the full-time staff on June 30, 2014...worked his first Postseason assignment in the 2016 NL Wild Card Game, and has also worked the 2017 NLDS, a 2020 NL Wild Card Series, a 2020 NLDS, a 2021 NLDS, a 2022 AL Wild Card Series; the 2022 NLCS; a 2023 ALDS; and the 2023 World Series...worked the 2017 World Baseball Classic...was one of the Major League Umpires selected to represent MLB during the 2018 Japan All-Star Series with Nippon Professional Baseball...the Washington native was selected to work the 2023 All-Star Game in Seattle, his first Midsummer Classic...had worked 149 games at the time of his promotion to the Major League staff...first worked Major League Spring Training in 2013...worked first MLB games on May 27, 2013, a Memorial Day doubleheader between Texas Rangers and the Arizona Diamondbacks in Phoenix...previously umpired in the Northwest League (2006), Florida Instructional League (2006), Midwest League (2007) and Carolina League (2007), Arizona Instructional League (2008), Southern League (2008-2010), Pacific Coast League (2011-14), Dominican Winter League (2011-12) and Arizona Fall League (2012).

PERSONAL: Born in June 1986 in the state of Washington...resides in Tacoma...graduated from Emerald Ridge High School in 2005...played baseball and football through high school...began umpiring baseball at age 13...is a member of the Tacoma Athletic Commission...hobbies include spending time with family and friends, golfing, pickleball, working out and traveling.

Jim Wolf - 28

MAJOR LEAGUE SERVICE TIME: 22 Years

CAREER: Joined the Major League staff in 2004...has worked the 2016 and 2021 NL Wild Card Games and the 2018 AL Wild Card Game; the ALDS in 2007, 2010 and 2014, and the NLDS in 2015, 2019 and 2023; the ALCS in 2011, 2016 and 2021; the NLCS in 2017 and 2018; the World Series in 2015 and 2019; and the 2010 All-Star Game in Anaheim...was behind the plate for Dallas Braden’s perfect game on Mother’s Day, May 9, 2010 against Tampa Bay and for Derek Jeter’s 3,000th career hit - a home run off David Price - on July 9, 2011 against Tampa Bay...previously umpired in the Arizona Rookie League, the South Atlantic League, the California League, the Texas League and the Pacific Coast League.

PERSONAL: Born in July 1969...resides in Arizona...married to Lara...graduated from El Camino Real High School in California...enjoys golfing in the off-season...his proudest moment as a Major League Umpire was his first big league game (Sept. 2, 1999)...in that game, in which San Francisco played host to Philadelphia, he worked third base while his younger brother Randy, then a pitcher for the Phillies, sat in the visiting dugout.