Jalen was teammates and neighbors with Ryne Stanek at the University of Arkansas…the first night Jalen moved in, Stanek invited himself over and sat down on the couch…in college, Stanek started and Jalen was a reliever-an order of appearance the two have maintained in the big leagues despite their role reversals...Fellow Rays hurler Hunter Wood grew up just 20 minutes away…they knew of one another before becoming teammates...Jalen was excited to join the Rays after hearing many things about how they operated…following the trade from Boston, he lived out of a suitcase for the rest of the season and had to survive without his golf clubs...Jalen enjoys reading his Bible and hopes to travel on a mission trip to Central America this coming offseason...Jalen attended the MLB Rookie Career Development Program in Miami in January along with Nick Ciuffo and Jesús Sánchez… the four-day orientation program included media training, time management and financial planning...He and his wife, Brie, have two children: Breckly (2) and Jack (1).
Earned his first major league opportunity and was acquired by the Rays from the Red Sox on July 25 for Nathan Eovaldi…made 12 apps for the Rays serving as a long reliever, primarily following an opener…went at least 2 IP in all 12 apps, including 9 apps of at least 3 IP, 5 apps of at least 4 IP and 4 apps of at least 5 IP...Went 5-0, matching Juan Cruz (2011) for most wins by a Rays pitcher in a season without recording a loss…it was also the longest winning streak by a pitcher to begin his Rays career since Cruz in 2011...Started for the Red Sox in his major league debut on June 7 vs. DET, exactly four years after he was selected in the 12th round of the 2014 June Draft…yielded 6 runs in 4 IP and suffered a 7-2 loss to Matthew Boyd…struck out his first batter faced, JaCoby Jones, but yielded 5 runs in the 1st inning…made a relief appearance for the Red Sox on July 10 vs. TEX, yielding 3 runs in 2.1 IP...Made his Rays debut on July 28 at BAL, totaling 3.1 IP, 10 H and 8 R/ER…threw 82 pitches and allowed 13 of 21 BF to reach base safely…the 10 hits tied for most in franchise history among relievers, joining Ryan Yarbrough on June 6, 2018 at WAS and Geremi Gonzalez on Aug 11, 2004 at BOS…became the third pitcher to allow at least 8 runs in his Rays debut, following Luis de los Santos (9) on July 20, 2002 at TOR and Juan Guzmán (8) on April 7, 2000 vs. CLE...Earned his first career victory in his second app for the Rays, Aug 2 vs. LAA…from that point forward, he went 5-0 with a 3.07 ERA (41-IP, 14-ER) and a .211 opp avg. (31-for-147) over 11 apps...From Aug 2-14, became the third pitcher in club history to go at least 5 IP and allow 2 hits or fewer in three consecutive apps, following Jake Odorizzi (2016) and Matt Moore (2012-13)...From Aug 2-19, became the first pitcher since Baseball Reference data is available (1908) to go at least 4 IP and allow 2 hits or fewer in four consecutive relief apps, without a start in between...On Aug 14 at NYY, recorded a career-high 8 SO over 5 IP…struck out all 6 BF in the 3rd and 4th innings, one shy of tying the club record for consecutive strikeouts in a game…he also became the first reliever with at least 8 SO against the Yankees since MIN Johan Santana on April 10, 2003 at NYY…he was only the fourth reliever since Baseball Reference data is available (1908) to allow 2 hits or fewer with 8 SO (or more) against the Yankees, joining BOS Tom Burgmeier on June 25, 1980 at NYY, DET Hank Aguirre on June 24, 1962 vs. NYY and CLE Herb Score on June 26, 1955 at NYY (G2)...Became the third Rays rookie to defeat the Red Sox twice in a season, following Jeremy Hellickson (2) in 2011 and Tim Corcoran (2) in 2006…the wins came just five days apart, on Aug 19 at Fenway Park and Aug 24 at home...Between the Red Sox and Rays, held left-handed hitters to a .196 avg. (9-for-46) with only 1 HR… opposing righties hit .291 (43-for-148) with 5 HR...Opened the season with Triple-A Pawtucket and made 16 starts there…at the time of the trade, ranked among International League leaders in ERA (2.89, 5th), strikeouts (117, tied for 2nd), WHIP (1.09, 2nd) and opp avg. (.215, 3rd), and led Red Sox minor leaguers in strikeouts...Named to the IL midseason All-Star Team.
Named Red Sox Minor League Pitcher of the Year...Went 11-8 with a 3.29 ERA (53 ER/145.0 IP) and 155 SO between Double-A Portland (9 GS) and Triple-A Pawtucket (17 GS)...Finished 5th among qualifying Red Sox farmhands in ERA and 2nd in strikeouts. Named Red Sox Minor League Pitcher of the Month in both April (3-1, 1.99 ERA) and July (2-1, 1.96 ERA). In 9 starts with Portland, went 5-1 with a 2.19 ERA (12 ER/49.1 IP) and a .199 opponent AVG...Held opponents scoreless in 5 of his first 6 Double-A starts. Threw a 7.0-inning shutout in Game 1 of a 4/22 doubleheader vs. Trenton (5 H, 2 BB, 7 SO). Did not allow a run over 25.0 IP from 4/22-5/18, the 2nd-longest scoreless streak in Portland history. Joined Pawtucket on 6/3 and finished 2nd on the team with 97 SO in 95.2 IP (9.13 SO/9.0 IP). Allowed 3 or fewer ER in 9 straight starts from 6/9-7/26, going 4-3 with a 2.52 ERA (14 ER/50.0 IP). Added to the Red Sox' 40-man roster on 11/20.