Full name is William Harper Warren...Played four collegiate seasons (2018-21) at Southeastern Louisiana University, going 13-10 with two complete games, four saves, a 3.90 ERA (205.1IP, 89ER) and 193K in 53 games (30 starts)...as a senior in 2021, went 7-2 with two complete games and a 2.57 ERA (91.0IP, 26ER) and 95K in 14 starts, earning Southland All-Conference Team honors...Graduated from Jackson Prep (Miss.) H.S.
2024
Saw his first Major League action with the Yankees, going 0-3 with a 10.32 ERA (22.2IP, 33H, 27R/26ER, 10BB, 29K, 5HR) in six games (five starts) over five stints with the club (7/30, 8/7, 8/14, 8/21-31, 9/28)...opponents batted .340/.404/.608 (33-for-97, 5HR); LH .349/.442/.581 (15-for-43, 2HR); RH .333/.368/.630 (18-for-54, 3HR)...Recorded at least 6K in three of his five starts...Made his Major League debut on 7/30 at Philadelphia and did not record a decision (5.1IP, 4H, 4ER, 2BB, 6K, 1HR, 1HP)...struck out Bryce Harper (swinging) in the first inning for his first Major League strikeout...retired 12 of his final 14 batters faced (1H, 1HP)...Recorded his first career loss on 8/7 vs. Los Angeles-AL-Game 2 after allowing a season-high 8R/ER in 4.1IP (8H, 3BB, 6K, 1HR)...Did not record a decision on 8/14 at Chicago-AL despite allowing only 2R/ER over 5.0IP (7H, 0BB, 5K, 1HR)...Made his fourth start on 8/24 vs. Colorado, recording the loss after allowing 6R/5ER over 3.0IP (7H, 1BB, 6K, 0HR, 2BK)...marked his shortest start of the season...Recorded the loss on 8/31 vs. St. Louis after allowing 4R/ER in 4.0IP (5H, 3BB, 3K, 1HR)...Made his first Major League relief appearance on 9/28 vs. Pittsburgh (1.0IP, 2H, 3R/ER, 1BB, 3K, 1HR)...Spent the majority of the season with Triple-A Scranton/Wilkes-Barre, going 6-5 with a 5.91 ERA (109.2IP, 114H, 79R/72ER, 39BB, 136K, 19HR) in 23 starts...was tied for fourth among Yankees Minor Leaguers in strikeouts...Over his final 13 starts with the RailRiders from 6/1-9/18, allowed 3ER-or-fewer in 10 of his 13 starts, 2ER-or-fewer in nine of those starts and one-or-zero earned runs in six starts...posted a 2.91 ERA (21.2IP, 14H, 9R/7ER, 6BB, 30K, 2HR) in four starts with Scranton/Wilkes-Barre during the month of July...Following the season, was tabbed by Baseball America as the Yankees’ No. 8 prospect...was also labeled by the publication as having the "Best Control" and "Best Slider" among Yankees farmhands.
2023
Went 10-4 with a 3.35 ERA (129.0IP, 109H, 60R/48ER, 59BB, 149K, 15HR) in 27 combined games (25 starts) with Double-A Somerset and Triple-A Scranton/Wilkes-Barre…among qualified Yankees farmhands, ranked third in wins and winning percentage (.714), fourth in games started, fifth in ERA, strikeouts and innings pitched, sixth in opponents’ BA (.226) and eighth in WHIP (1.30)…began the season with Somerset, going 3-0 with a 2.45 ERA (29.1IP, 26H, 10R/8ER, 12BB, 39K, 0HR) in six starts…was promoted to Scranton/ Wilkes-Barre on 5/17, going 7-4 with a 3.61 ERA (99.2IP, 83H, 50R/40ER, 47BB, 110K, 15HR) in 21 games (19 starts)…was named the International League “Pitcher of the Month” in September with Scranton/Wilkes-Barre after going 1-0 with a 0.63 ERA (28.2IP, 15H, 2ER, 11BB, 36K, 0HR) in five games (three starts)…following the season, was tabbed by Baseball America as the Yankees’ No. 9 prospect…was also labeled by the publication as having the “Best Control” among Yankees farmhands.
2022
In his first professional season, went 9-9 with a 3.91 ERA (129.0IP, 119H, 70R/56ER, 42BB, 125K, 10HR) in 26 starts with High-A Hudson Valley and Double-A Somerset…ranked second among Yankees farmhands in games started, fourth in innings pitched, tied for fourth in wins, seventh in strikeouts, ninth in WHIP (1.25) and 10th in ERA…went 2-3 with a 3.60 ERA (35.0IP, 14ER) and 42K in eight starts with Hudson Valley before being promoted to Somerset on 5/28…was named the Eastern League “Pitcher of the Week” from 7/4-10 after allowing just three hits over 7.0 scoreless innings on 7/7 vs. Bowie (5K)…in 18 starts with the Patriots, went 7-6 with a 4.02 ERA (94.0IP, 42ER) and 83K… following the season, was ranked by Baseball America as the Yankees’ No. 7 prospect, as well as labeled as having the “Best Slider” among Yankees farmhands.
