Robert Coolidge Ahlstrom...was originally selected by the Yankees in the seventh round of the 2021 MLB Draft out of the University of Oregon...rated as the no. 299 overall prospect in the 2021 MLB Draft (Baseball America)…went 16-11 with a 3.51 ERA (73 ER/187.0 IP) and 171 SO over three seasons with the Ducks (2018-2021)…was a First-Team All-Pac-12 Conference selection as a junior in 2021, going 9-3 with a 2.50 ERA (25 ER/90.0 IP) and 92 SO/16 BB…was the second Oregon product taken in the 2021 MLB Draft behind OF Aaron Zavala, who Texas selected in the second round (38th overall)...began his collegiate career at Chemeketa (Ore.) C.C. in 2018 after graduating from North Eugene (Ore.) H.S. in 2017.
2025
Leveraged a sizzling start with Frisco (AA) into a late-inning relief role with Round Rock (AAA), leading org. arms with eight saves (tied with Gavin Collyer) in his fourth pro season...only RHP Joe Barlow (50 games) pitched in more games for Round Rock than Ahlstrom (47 games), who also ranked tied-for-third on the club with four saves (7-José Ruiz, 5-Craig Kimbrel, 4-Ahlstrom/Codi Heuer)...allowed just one R-ER in 7.2 IP over six relief outings (4 SV) in April with the RoughRiders (5 H, 2 BB, 11 SO) to earn an elevation to Triple-A on 4/22…did not permit an ER in 12 of his first 14 games with the Express from 4/23-6/3 (1-0, 2.45 ERA, 16 SO/6 BB)…first career AAA save in ’25 RR debut on 4/23 vs. LV (1.0 SHO IP, 1 H, 1 SO)...on the year, recorded a 2.64 ERA (9 ER/30.2 IP) in first half and 3.94 ERA (13 ER/29.2 IP) after the All-Star break…southpaw was better against LHB (.224 BA, .619 OPS) than RHB (.237 BA, .749 OPS)…impressed in 2025 Cactus League play with Texas, tossing 5.2 SHO IP over five relief outings (5.2 IP, 3 H, 0 R, 1 BB, 4 SO, 1 HB).
2024
Split the season between Frisco (AA) and Round Rock (AAA), combining to go 6-1 with a 2.53 ERA (18 ER/64.0 IP), 72 strikeouts and four saves across 45 games (one start)…Began the season with Frisco, registering a 1.85 ERA (nine ER/43.2 IP) with four saves and 57 strikeouts in 30 relief appearances before being promoted to Round Rock on 8/3…Season-high five SO on 5/9 vs. SA…Ranked among Texas League relievers in SO (fifth) and ERA (seventh) at the time of his promotion (min. 25.0 IP)…Season-long seven-game scoreless streak from 6/9-7/11 (9.2 IP, four H, two BB, 10 SO)…Hurled two shutout innings in his Triple-A debut on 8/3 vs. SUG…Made lone start on 9/8 at LV as an opener (1.2 IP, three H, two R/ER, one HR, one HB, two BB, one SO)…Pitched 1.1+ innings 28 times on the season (62.2%) and logged 2.0+ innings on 13 occasions…Limited opposing left-handed hitters to a .182/.304/.273/.577 (12-66) slash line, while right-handed hitters batted .243/.330/.373/.703 off him…Had a brief stint on Frisco’s injured list from 6/19-28 (right hamstring strain).
2023
Transitioned to a bullpen role, compiling a 3-1 record, three saves, 3.86 ERA (25 ER/58.1 IP) and 79 SO/32 BB over 40 relief outings with Hickory (A+) and Frisco…His 12.19 SO/9 figure was 10th-highest among Texas farmhands (50.0 IP)…Opened season at High-A and was promoted to Double-A on 7/18… Posted a 3.81 ERA (11 ER/26.0 IP) and 36 strikeouts (12.46 SO/9) in 18 G for the RoughRiders, including a 1.80 ERA (four ER/20.0 IP) in final 14 games (beginning 8/1)…Tossed season-high 3.0 IP on 6/3 at GVL…Earned first pro save on 6/9 at ROM…Had similar splits vs. LHH (.246 avg., .673 OPS) and RHH (.230 avg., .686 OPS)…Pitched for Santruce of the Puerto Rico Winter League following the season, fashioning a 0.64 ERA (one ER/14.0 IP) with 16 SO in 13 relief appearances.
2022
Acquired from NYY, along with RHP Albert Abreu, for C Jose Trevino on 4/2…Made his pro debut, going 2-10 with a 5.04 ERA (50 ER/89.1 IP) over 22 games (17 starts) between Down East (A) and Hickory…Logged season-high 6.0 IP four times: 6/2 vs. CHS, 6/9 at KAN, 6/30 vs. GBO and 7/7 at BG… Struck out 106 of 399 (26.6%) of BF and posted reverse splits vs. RHB (.244 BA) and LHB (.368 BA)…His 106 SO ranked fifth among Rangers MiLB southpaws…Participated in the Rangers’ Fall Instructional League program following the season.
