His first name is pronounced "HEN-e-sis."...Resides in Santo Domingo, Dominican Republic.
Entered the 2020 season ranked as the No. 4 prospect in the Cardinals organization by Baseball America...Changed uniform number from 61 to 92 becoming the first Major League player in history to wear uniform No. 92...Posted career-highs in wins (4), appearances (19), innings pitched (22.1) and strikeouts (32)...Made eight appearances of four outs or more, leading Cardinals and T-9th among N.L. relievers...Led the Cardinals with 12 appearances in September, T-2nd most in the National League...Converted his first career save tossing 1.2 scoreless innings at PIT (9/19)...Recorded four relief wins, T-2nd among National League relief pitchers and T-2nd overall on the Cardinals pitching staff with Jack Flaherty (T16th in N.L. overall)...Led all Cardinals relief pitchers with 32 strikeouts...Left-handed batters started 0-for-23 before a single by Gregory Polanco at PIT (9/18)...Held all batters to a .132 opponent BA (6th in N.L.)...Did not allow a run in his last six appearances (7.1 IP)...Hit four batters during the season, ranking T-10th among National League pitchers...Pitched on consecutive days four times and three straight days (9/12-14) once...Made six scoreless appearances in the Dominican Winter League without allowing a hit, issuing five walks and striking out 10 batters.
Made his MLB debut on 5/29 in start at Philadelphia, becoming the 2,000th player to appear in a game for the Cardinals in their 128-year history as a member of the National League dating to 1892...Rookie was recalled from Memphis (AAA) on 6/13 (2nd time of the season); Ryan Helsley placed on 10-day IL...Started his first two games in the Majors (0-2, 6.48 ERA, 8.1 IP) and appeared in relief his final 11 (0-0, 3.75 ERA, 1 SV, 12.0 IP)...Did not allow a homer in 11 outings as a reliever(12.0 IP). Allowed one HR in each of his two starts...Posted a reverse split holding right-handed batters to a .203 BA (13-64) and left-handers batted .500 (10-20)...Converted his first MLB save vs. SF (9/5) with 3.0 scoreless innings to preserve the shutout. First Cardinals 3 IP save since Daniel Ponce de Leon at KC (8/10/18); first by a LHP since Tyler Lyons (6/13/17-G1 vs. MIL)...Struck out multiple batters in 6 of his 13 appearances...Earned his first career Hold vs. MIL (9/15) tossing a scoreless 6th inning...Was 5-6 w/ 5.91 ERA in 18 starts (20 app.) at Memphis (AAA). Ranked 10th in PCL w/ 106 K's at the time of recall...Matched career-high striking out 12 batters over 7.0 innings in final AAA start vs. Omaha (8/24). Fanned nine consecutive batters at one point, tying the PCL record...Made two appearances in the postseason with one each in the NLDS and NLCS. Recorded the final out clinching the NLDS at Atlanta in Game 5 with a scoreless 9th inning. Threw two-thirds of an inning at WSH in Game 3 of the NLCS, retiring Trea Turner and Adam Eaton.
Was acquired by the Cardinals along with OF Justin Williams and RHP Roel Ramírez from the Rays at the trade deadline for OF Tommy Pham and International Cap space...Named a Southern League (AA) All-Star and pitched a scoreless 3rd inning with two strikeouts for the South squad...Combined to post an 8-9 record with a 4.17 ERA over 25 starts (27 app.) striking out 148 batters over 140.1 innings...Pitched at the double-A level in Montgomery with the Rays and at double-A and triple-A with the Cardinals in Springfield and Memphis...Struck out a career-high 12 batters over 7.0 scoreless innings at Mississippi (6/4)...Pitched a season-high 8.0 scoreless innings vs. Birmingham (6/24), walking one while throwing a season-high 112 pitches...Ranked 3rd in the Southern League holding opponents to a .218 batting average...Held opposing left-handed batters to a .202 BA (30-148)...Made two relief appearances in the Pacific Coast League playoffs and threw 3.2 innings allowing one run...Worked 1.1 scoreless innings in Memphis' Triple-A Championship game win vs. Durham on 9/18...Made 20 relief appearances in the Domincian Winter League with Licey posting a line of 0-0 with a 1.26 ERA and 21 strikeouts in 14.1 innings...Hurled 19-of-20 scoreless appearances while stranding 9-of-12 inherited runners...Named the Dominican Winter League Rookie of the Year...Ranked as the No. 6 prospect in the Cardinals organization by Baseball America.