Married to Molly…Has two daughters: Chloe and Hayden...Met his wife, Molly, while he was pitching in the Arizona Fall League and she was attending Arizona State University...Sewald's younger brother, Johnny, was selected by the Astros in the 14th round of the 2015 MLB draft out of Arizona State University...Father, Mark, is a former college baseball pitcher who was drafted out of high school by the Red Sox in 1979...He bypassed signing a contract to pitch at Loyola Marymount before joining the workforce...Attended the University of San Diego for four years (2009-12)...Was teammates with fellow Las Vegas native and Rockies outfielder Kris Bryant...His warm-up song is "Jump Around" by American hip hop group, House of Pain...Is and avid golfer and tries to play as much as he can. Notes his favorite course he's ever played on as Pine Valley Golf Club in New Jersey...Is an avid fan of the Las Vegas Golden Knights and was a season ticket holder for the first five years of the franchises expansion in 2017.
2023
Acquired by Arizona from Seattle at the trade deadline for INF Josh Rojas, INF Ryan Bliss and OF Dominic Canzone...In 20 games with the D-backs, went 0-1 with 13 saves, a 3.57 ERA (seven ER in 17.2 IP) and 20 strikeouts...In 45 games with the Mariners, went 3-1 with 21 saves, a 2.93 ERA (14 ER in 43.0 IP). 1.02 WHIP and 60 strikeouts...Set career highs in saves (34) and matched his career-high in games (65)...Ranked among AL save leaders in April (third, seven) and July (T-third, seven) … ranked among NL save leaders in August (T-fifth, seven) and September (T-third, six)…Made his D-backs debut on Aug. 5 in Minnesota and struck out the side...Recorded a save in 13 of his last 14 opportunities from Aug. 6 to Sept. 27...Did not allow an earned run in eight of nine road games with Arizona, including his last seven...Limited hitters to a .220 average (22-for-100) with runners on base...Opponents hit .191 (18-for-94) off his sweeper, with 33 strikeouts and a 30.9 whiff percentage...Held hitters to a .220 average (28-for-127) off his four-seam, with 47 strikeouts and a 28.4 whiff pct.
POSTSEASON: Earned back-to-back saves in the NL WC series @ Brewers … notched first career Postseason save in Game 1 of NL WC @ Brewers. Had four consecutive Postseason saves from Oct. 3-11...His 6 saves were the most by a D-backs' pitcher in a single Postseason in franchise history, ahead of Byung-Hyun Kim (3 in 2001)...Sewald's six saves mark the 17th time in MLB Postseason history where a pitcher has collected 6+ saves in a single Postseason (11th time to collect at least 6)...the most collected in a single Postseason is seven (six times - Greg Holland/KC in 2014, Koji Uehara/BOS in 2013, Brad Lidge/PHI in 2008, Robb Nen/SF in 2002, Troy Percival/ANA in 2002 and John Wetteland/NYY in 1996.)
2022
Went 5-4 with a 2.67 ERA (19 ER, 64.0 IP) with 17 walks and 72 strikeouts, while holding opponents to a .146 batting average in 65 appearances...Just Perfect - Did not allow a runner to reach base in 32 appearances, ranking fourth-most in the Majors...His .148 opponent batting average (32x216) ranked best in the American League and 3rd in MLB (min. 30.0 IP)...His 0.709 WHIP ranked 3rd in the American League and 6th in MLB (min.30.0 IP)...his WHIP is the second-lowest in franchise history (Min. 50 G), trailing only J.J. Putz, who had a 0.698 WHIP in 68 appearances in 2007...Posted a career-high 20 saves, surpassing his 11 saves in the 2021 season...Recorded a save in five consecutive outings from June 23-July 3..Recorded five outings with 3+ strikeouts...Held opponents scoreless in 50 of 65 appearances...Appeared in a season-high 3-consecutive games from May 21-23, tossing 2.1 scoreless innings with two strikeouts...appeared on consecutive days 14 times, as well as twice in one day (doubleheader on 7/13)...Recorded two saves in one day July 13…the Mariners played a split doubleheader with the Washington Nationals...only the second player in franchise history to record saves in both games of a doubleheader, joining Mike Schooler, who saved both games at Baltimore on May 6, 1989...the saves marked his 11th and 12th of the season, setting a new career high (previous: 11 in 2021)...Made 5 consecutive appearances without allowing a run over 7 individual stretches during the season...made season-high 7 consecutive scoreless appearances from Aug. 26 - Sept. 10 (6.1 IP)...Had two separate 6.0 inning streaks without allowing a baserunner to reach safely...began his season with the first streak (April 8-May 5), retiring his first 18 batters faced to begin the season...second streak came after the All-Star break (July 30-Aug. 7)...is the only reliever to have multiple streaks of 6.0+ perfect innings this season...Both of Sewald’s pitches produced negative run value according to Baseball Savant with his slider (-7) and fastball (-4) both grading out in the negatives...Threw each of his two pitches (4-seam fastball and slider) at an almost even split, with his 4-seam fastball (51.6%) slightly favored over his sider (48.4%)..Made his 100th appearance with the Mariners on July 25 vs. Texas, tossing a scoreless inning.
2021
Went 10-3 with a 3.06 ERA (22 ER, 64.2 IP) with 104 strikeouts and 24 walks (5 IBB) in 62 games. ...The Will To Win – Seattle went 49-13 (.790) in Sewald’s 62 appearances...Sewald appeared in 18 of Seattle’s league-leading 33 one-run victories. ...TaKing It To Them – Struck out 14.5 batters per 9.0 innings, 6th highest K/9 in the Majors in 2021 (min. 30 IP). ...Better Call Paul - Became the 4th Mariner to record 100 strikeouts in a single season, joining Bill Caudill (1982), J.J. Putz (2006) and Edwin Diaz (2018). ...Winning and Saving - Became the 3rd Mariners reliever to win 10 or more games and record 10 or more saves in a single season, joining Bill Caudill (1982) and Enrique Romo (1978)...became the 6th Mariners reliever to record 10 wins in relief, and first since Arthur Rhodes (2002). ...Whiff Off - Recorded 3 or more strikeouts 13 times this season, which ranked 3rd among all relievers behind Michael Kopech (15), Liam Hendriks (14). ...Record Year - Set career-best marks in games (62), ERA (3.06), SO (104), WHIP (1.021), K/9 (14.5), WAR (1.6) and BA (.176). ...2021 Debut – Went 2.0 scoreless innings with four strikeouts on 5/16 vs. Cleveland. ...Save #1 – Tossed 1.1 innings recording all four outs via strikeout on 7/1 at Toronto to lock down his first save of the season. ...What A Run - Had 19 game streak (17.0 IP) without allowing an ER (June 3-July 16)... during that stretch, he struck out 29 and walked five...had previously allowed three runs on 6/1 vs. Oakland.
2020
Appeared in 5 games for the New York Mets, covering 6.0 innings with 2 strikeouts.
2019
Earned his first career major league win on September 24 vs. Miami, ending a 14-game losing streak to begin his career...Was the longest losing streak to begin a career in NL history...The only pitcher with a longer losing streak to begin his career is Terry Felton (16 losses, 1980-1982)... Allowed just one run, earned, in 4.2 innings over his last five games (1.93 ERA)...Fanned five in that span with no walks... Was 3-3 with a 3.35 ERA (19 earned runs/51.0 innings) in 41 games with Syracuse (AAA)...Struck out 52 and issued 15 walks... Was with the Mets three times during the season, from April 14-22, on May 17 and from August 18-the end of the season.
2018
Began the year with the Mets...Was optioned to Las Vegas (AAA) of the Pacific Coast League on June 22...Also with the Mets from July 6-10...Recalled for a final time on July 22...Notched 58 strikeouts in 56.1 innings...Earned his first major league save on August 22 vs. San Francisco...Also had a save on September 20 at Washington...Had 71 career minor league saves...Had seven losses as a reliever, tied for the second-most in the majors...Has suffered 13 losses to begin his major league career, the longest streak in team history to begin a career...Recorded 18 consecutive outs from April 1-18...Allowed 12 earned runs over his final 6.1 innings (17.05 ERA) over nine games...Left-handers were 26-96 (.271) and righties went 36-128 (.281)...Was 3-0 with one save and a 1.13 ERA (one earned run/8.0 innings) in seven games with Las Vegas.
2017
Had his contract selected from Las Vegas (AAA) of the Pacific Coast League on April 8...Was optioned to Las Vegas on April 13...Recalled on May 1 and remained on the roster for the rest of the year...Made his major league debut on April 8 vs. Miami...Opponents had nine hits in their final 49 at-bats (.184) with runners on base and were 7-for-their-last-42 (.167) with runners in scoring position against him...For the year, the opposition hit .222 (14-63) with runners in scoring position and batted .200 (7-35) with RISP and two outs...Suffered six losses, tied for the sixth-most in the majors among all relievers...He became the first pitcher to lose the first six decisions of his major league career while playing for the Mets...Info courtesy of Elias...Was second on the team with 13 holds...Righthanders hit .204 (31-152) and lefthanders batted .290 (27- 93)...Racked up 69 strikeouts in 65.1 innings (9.51 strikeouts per nine innings)...Allowed three runs over 20.0 innings (1.35 ERA) from April 11-May 29...Had a 12.91 ERA (11 earned runs/7.2 innings) from June 2-June 22 and a 5.40 ERA (14 earned runs/23.1 innings) from August 1 through the end of the year.
2016
Went 5-3 with a 3.29 ERA (24 earned runs/65.2 innings) and 19 saves in 56 games for Las Vegas (AAA) of the Pacific Coast League...Ranked among the Pacific Coast League leaders in saves (19, T-2nd), games (56, T-1st) and games finished (40), third...Also had the fifthhighest strikeouts per 9.0 innings ratio of any reliever in the PCL and allowed the fifth-fewest baserunners of any PCL reliever...Was 1-1 with a 1.85 ERA (five earned runs/24.1 innings) and 10 saves in 20 games after the AllStar break...Lefthanded batters hit .209 (23-110) while righthanded batters batted .250 (35-140)...Posted a 3.32 ERA (seven earned runs/19.0 innings) with 11 saves in 19 games with the Naranjeros de Hermosillo of the Mexican Winter League.
2015
Finished third in the Eastern League in saves (24)...Didn't convert a save at New Hampshire on April 23...Proceeded to pick up 23 straight saves from that point on...For the year, he was successful on 24-of-25 save opportunities (96 percent)...His 24 saves were the most among any Mets farmhand...Named to the mid-season Eastern League All-Star team.
2013
Had the lowest walks per nine innings ratio of any reliever in the South Atlantic League (0.96 BB/9IP).