Single...His younger brother Peter pitches for the Colorado Rockies…With Jimmy in attendance, Peter won his Major League debut on 6/6/19 at Wrigley Field, allowing one run on four hits with one walk and nine strikeouts...Attended Fresno State University from 2014-16, where he went 15-10 with a 4.47 ERA (114 ER/229.2 IP) during his career…Was named the Western Athletic Conference Pitcher of the Year as a junior in 2016 after going 10-2 with a 3.13 ERA (34 ER/97.2 IP) over 15 starts...Is a 2013 graduate of San Dimas (Calif.) High School, where he pitched and played in the outfield…Led San Dimas to a Valley Vista League title as a junior in 2012…In 2012-13 was named a First Team All-League Pitcher, First Team CIF, team MVP, First Team All-Area and Second Team All-State.
2023
Made 35 appearances, including one start, in his fourth season with the White Sox...Allowed 80.0 percent (8-10) of inherited runners to score…First batters faced hit .250 (7-28)...Limited left-handers to a .225 mark (16-71)...Owned a 3.79 ERA (8 ER/19.0 IP) in 18 road outings compared to a 6.75 mark (14 ER/18.2 IP) at Guaranteed Rate Field (17 G)...Lowered his ERA from 6.29 (5 ER/13.1 IP) before the break to 3.38 (4 ER/10.2 IP) in the second half...Did not allow an earned run over his first seven appearances from 3/31-4/10…Surrendered one unearned run on two hits with seven strikeouts and recorded two holds in 6.0 IP...Earned a hold (0.1 scoreless IP) in his season debut on 3/31 at Houston...Recorded his first win of the season on 4/15 vs. Baltimore…Allowed one unearned run in the 10th inning before Oscar Colás connected on a game-ending, RBI single in the bottom half...Suffered his first loss on 4/22 at Tampa Bay…Allowed an unearned run in the 10th inning after the placed runner at second base was driven home on Randy Arozarena's walk-off single...Worked a scoreless inning and earned his second win on 5/2 vs. Minnesota…Served as an "opener" and pitched a scoreless first with two strikeouts on 5/22 at Cleveland, his first appearance since 5/12 vs. Houston...Was on the 15-day injured list from 5/28-6/19 with right ankle inflammation…Made four rehab appearances with Charlotte...Allowed three runs on three hits, including a home run, in 1.0 IP on 6/21 vs. Texas…Was optioned to Charlotte on 6/22...Was added to the active roster as the 27th player for a doubleheader on 7/6 vs. Toronto…Worked 2.0 scoreless IP before being returned to Charlotte after Game 2...Was recalled from the Knights for the final time on 8/2...Worked a scoreless ninth for his first save on 8/6 at Cleveland...Made three straight scoreless appearances (3.0 IP) to finish his season from 8/26-9/3...Was placed on the injured list on 9/4 with right ankle inflammation and missed the remainder of the season...Underwent right ankle surgery in Los Angeles on 9/19...Appeared in 15 games out of the bullpen for Charlotte.
2022
Spent most of the season with the White Sox, appearing in 42 games (two starts)…tied for fourth on the club with 10 holds....Went 1-0 a 2.90 ERA (13 ER/40.1 IP) and .223 (33-148) opponents average in his 40 relief appearances, and 0-2 with a 5.40 ERA (4 ER/6.2 IP) and .250 (7-28) opponents average in his two starts....Limited left-handers to a .225/.283/.371 (20-89) slash line and righties to a .230/.356/.333 (20-87) mark … first batters went 8-35 (.229)....Pitched in back-to-back games five times (all in the second half), allowing one earned run over 3.2 IP...worked 14 times on one day of rest, posting a 2.92 ERA (4 ER/12.1 IP)....Recorded a 2.00 ERA (2 ER/9.0 IP) in June and a 0.00 ERA (9.2 IP) in July … struck out 15 hitters over 9.1 IP in August (14.46 per 9.0 IP)....Was recalled from Class AAA Charlotte on 4/12…made his season debut in a start on 4/14 vs. Seattle, allowing two runs on two hits over 3.0 IP of a 5-1 loss....Fel...to 0-2 with a loss on 4/20-2 at Cleveland after giving up two runs on five hits with five strikeouts over 3.2 IP …was optioned to Charlotte following the game....Was added to the Sox roster on 6/2 … worked 0.1 scoreless IP that day at Toronto and was returned to Charlotte on 6/3…was recalled for a third stint on 6/10… suffered his first blown save on 6/11 vs. Texas…threw a career-high 2.2 scoreless IP but allowed an inherited runner to score in the 10th inning....Worked 2.0 scoreless IP on 6/14 at Detroit…earned his first career hold on 6/21 vs. Toronto (1 ER/1.0 IP)....Made 12 consecutive scoreless appearances from 6/27-8/7, allowing six hits with two holds and nine strikeouts over 12.2 IP…worked at least 1.0 IP nine times during the streak as he lowered his ERA from 3.68 to 1.98....Was optioned to Charlotte on 7/4 and recalled on 7/6…threw 2.0 scoreless IP on 7/7 vs. Detroit and again on 7/22 vs. Cleveland…pitched in back-to-back games for the first time in his career on 7/26-27 at Colorado, posting holds in both outings....His scoreless streak ended on 8/10-2 at Kansas City when he gave up four runs over 0.2 IP....Posted a 0.82 ERA (1 ER/11.0 IP) with 12 strikeouts over 12 appearances from 8/14-9/10…struck out a career-high four batters in relief on 8/14 vs. Detroit, fanning all four batters faced…earned his only win of the season on 8/16 vs. Houston, pitching a scoreless eighth in a 4-3 Sox victory....Recorded five holds in September, including four in a five-game span from 9/18-30.
2021
Began the season at the Schaumburg training facility before spending most of the campaign at Class AAA Charlotte ... made four appearances (three starts) with the White Sox...Was recalled from Charlotte to serve as the 27th player for a doubleheader on 5/31 at Cleveland...started Game 2 and suffered the loss after allowing three runs on seven hits with four strikeouts over 3.2 IP...was returned to Charlotte postgame...Was recalled as the 27th player for the completion of a suspended game and the regularly scheduled contest on 6/27 vs. Seattle...allowed four runs on four hits over 1.1 IP in relief in Game 2...was returned postgame...Was recalled on 8/1 and started that afternoon in the series finale vs. Cleveland...received a ND, allowing one run in 3.0 IP before being optioned back to the Knights postgame...Was recalled from Charlotte on 9/6 and made the start the following night at Oakland...earned his first major-league win after limiting the A's to one run on three hits with two walks and two strikeouts over 5.0 IP...Was optioned back to the Knights on 9/10 for the remainder of the season...Went 3-3 with a 4.76 ERA (34 ER/64.1 IP), 82 strikeouts and a .210 (49-233) opponents average in 19 starts with Charlotte...Worked 5.0-plus IP five times, including a season-high 5.2 in a win on 7/2 vs. Norfolk (zero runs allowed)...Recorded a three-game winning streak in a four-start span from 6/13-7/8...struck out a season-high eight on 7/2 vs. Norfolk...Preseason Baseball America Rankings: No. 13 prospect in the White Sox system...Preseason MLB.com: No. 20 prospect in the Sox system.
2020
Was limited to two games in his first MLB season … was on the injured list from the end of July through the end of the season...Made his first career Opening Day roster...Made his major-league debut on 7/25 vs. Minnesota, pitching a scoreless ninth inning with his first strikeout (Miguel Sanó)...Was placed on the injured list on 7/29 with a right forearm strain and transferred to the 45-day IL on 8/3.
2019
Missed the majority of the season after undergoing Tommy John surgery in June ... Went 3-1 with a 2.94 ERA (11 ER/33.2 IP) and 39 strikeouts over his first six starts of the season with Class AA Birmingham ... Was named to the Southern League midseason All-Star team ... Struck out a season-high 11 batters on 5/16 vs. Mississippi ... Made his last start of the season on 6/3 vs. Jacksonville before being placed on the injured list on 6/4 with a strained right elbow ... Preseason MLB.com Ranking: No. 19 prospect in the White Sox organization.
2018
Combined to make 18 starts for Class A Winston-Salem and Birmingham, going 8-8 with a 3.67 ERA (39 ER/95.2 IP), 110 strikeouts and a 1.09 WHIP ... Worked 5.0 scoreless IP in his season debut on 4/10 at Myrtle Beach … was named Carolina League Pitcher of the Week for 4/22-28 after working 6.0 scoreless IP and striking out nine on 4/27 at Wilmington ... Struck out a career-high 11 in his final start for the Dash on 6/23 vs. Down East … was promoted to Birmingham on 6/27 … finished third on Winston-Salem in strikeouts (80) ... Worked 7.0 scoreless IP and allowed just one hit with 10 strikeouts in a win on 7/14 at Tennessee … was named SL Pitcher of the Week for 7/9-15 ... Was placed on the injured list on 7/21 with a strained left oblique and missed the remainder of the season ... Following the season, was rated by MLB.com as the No. 21 prospect in the White Sox system.
2017
Combined to go 12-6 with a 3.84 ERA (64 ER/150.0 IP) in 26 starts between Kannapolis and Winston-Salem ... Led all White Sox minor leaguers in wins (12) and ranked seventh in ERA (3.84) ... Was named a South Atlantic League midseason All-Star ... Finished the season ranked first among qualified Intimidators starters in ERA (2.19) and tied for third in wins (seven) ... Recorded his first career complete game (1 ER/7.0 IP) in Game 1 of a doubleheader on 4/15 at Hickory ... Was promoted to Winston-Salem on 6/22 … worked 6.0 hitless IP in his Dash debut on 6/25 vs. Buies Creek.