Jonathan Hernández…father, Fernando, pitched professionally for 14 seasons and appeared in 2 games with the Detroit Tigers in 1997…father also spent two seasons in Korea, winning 14 games with SK Wyverns in 2001…was born in Memphis, Tenn., while his father, Fernando, pitched for the Double-A Memphis Chicks in the Padres farm system, but grew up in the Dominican Republic…is a fan of LeBron James.
The 23-year-old Hernández reached the Major Leagues for the first time in 2019, his seventh professional season…has worked primarily as a starter throughout his career, but switched to a relief role late last season with Double-A Frisco and also worked out of the bullpen upon his promotion to the big leagues…ranked T4th on Texas pitching staff with 19 strikeouts from 8/21 (ML Debut) through the end of the regular season, averaging 10.26 strikeouts per 9 innings (19 SO/16.2 IP) during that span…enters 2020 as club's 13th-best (MLB.com) and 17th-best prospect (Baseball America), and maintains his rookie status…owns a career 37-39 record, 3.80 ERA, and 1.320 WHIP figure over 129 games/113 starts in the minor leagues…is in big league camp for the third straight year...was signed out of the Dominican Republic at age 16 on 1/30/13.
Established career highs in innings and strikeouts in his 6th professional season...his 134 SO ranked 2nd among Texas farmhands (138-A.J. Alexy)...named CL Pitcher of the Week for 5/28-6/3 following shutout performance on 5/30 vs. Buies Creek (8.0 SHO IP, 2 H, 1 BB, 11 SO)... recorded double-digit SO in 3 straight starts from 5/16-30, posting a 0.90 ERA (2 ER/20.0 IP) with 4 BB/32 SO in that span...earned promotion to Frisco on 6/11...went 2-4 with a 7.14 ERA (32 ER/40.1 IP) in 1st 8 G/GS with Frisco and went 2-0 with a 1.14 ERA (3 ER/23.2 IP) over final 4 G/GS...opponents batted .167/.270/.244/.513 over the latter stretch...increased whiff rate (9.9 SO/9) by a full strikeout from the previous campaign (8.9 SO/9 in '17)...rated by Baseball America as having CL's best breaking pitch and was named the publication's High Class A Pitcher of the Year.
Combined to go 5-11 with a 4.03 ERA (50 ER/111.2 IP) over 23 games/22 starts with Hickory (A) and Down East (A+)…posted a career-best 8.9 SO/9 rate, besting his previous season total by over 2 strikeouts…opponents batted .285/.351/.415/.766…began season in Hickory and went 2-3 with a 2.80 ERA (11 ER/35.1 IP) over his 1st 7 starts with the club…permitted 14 R-ER over 11.0 IP in last 2 starts at Hickory before promotion to Down East on 6/3…compiled a 6.00 ERA (16 ER/24.0 IP) over 1st 5 starts with the Woodies and a 1.96 figure (9 ER/41.1 IP) over final 9 games/8 starts…opposition batted .208/.318/.306/.623 during season-ending stretch… represented the Rangers at the All-Star Futures Game in Miami and retired the only batter he faced (COL's Ryan McMahon) in the 8th inning.
Logged a team-high 22 starts for Hickory, finishing T3rd among Texas farmhands in wins…right-handed batters hit .271/.358/.416 and lefties batted .227/.300/.381…was 6-3, 2.59 (19 ER/66.0 IP) over 13 games/12 starts in Hickory and 4-6, 7.15 (40 ER/50.1 IP) in 11 games/10 starts on the road… was 6-5, 3.88 (26 ER/60.1 IP) in 12 first half starts and 4-4, 5.30 (33 ER/56.0 IP) over 12 games/10 starts in the second half…was 2-1 with a 3.14 ERA (10 ER/28.2 IP) over his final 6 starts.
Tabbed the 14th-best prospect in the AZL by Baseball America…posted the 3rd-lowest ERA among all Texas minor leaguers.
Returned to DSL Rangers and matched Pedro Payano for the team lead with 14 starts.
Spent 1st pro season with DSL Rangers.