Bailey Ober has a record of 29-27 with an ERA of 4.01 and 558 strikeouts in 105 appearances for the Twins in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Ober | 2021 |  MIN | 20 | 3 | 3 | .500 | 20 | 4.19 | 96 | 0 | 0 | 0 | 92.1 | 92 | 43 | 45 | 20 | 19 | 1 | 0 | 0 | 379 | 1 | 9.36 | 1.85 | 5.05 | 1.95 | 25.3 | 5.0 | 1.20 | .296 | 4.39 | 98 | 4.55 | 107 | 8.97 | -3.3 |
| 2 | | B. Ober | 2022 | MIN | 11 | 2 | 3 | .400 | 11 | 3.21 | 51 | 0 | 0 | 0 | 56.0 | 48 | 20 | 22 | 4 | 11 | 2 | 0 | 0 | 227 | 0 | 8.20 | 1.77 | 4.64 | 0.64 | 22.5 | 4.8 | 1.05 | .277 | 3.54 | 84 | 2.91 | 75 | 7.71 | 6.2 |
| 3 | | B. Ober | 2023 | MIN | 26 | 8 | 6 | .571 | 26 | 3.43 | 146 | 0 | 0 | 0 | 144.1 | 125 | 55 | 58 | 22 | 29 | 7 | 0 | 0 | 577 | 1 | 9.10 | 1.81 | 5.03 | 1.37 | 25.3 | 5.0 | 1.07 | .276 | 3.62 | 80 | 3.96 | 92 | 7.79 | 5.2 |
| 4 | | B. Ober | 2024 | MIN | 31 | 12 | 9 | .571 | 31 | 3.98 | 191 | 1 | 0 | 0 | 178.2 | 136 | 79 | 81 | 27 | 43 | 6 | 0 | 0 | 709 | 1 | 9.62 | 2.17 | 4.44 | 1.36 | 26.9 | 6.1 | 1.00 | .247 | 4.08 | 99 | 3.81 | 93 | 6.85 | 5.5 |
| 5 | | B. Ober | 2025 | MIN | 17 | 4 | 6 | .400 | 17 | 5.28 | 74 | 1 | 0 | 0 | 92.0 | 108 | 54 | 55 | 21 | 22 | 4 | 0 | 0 | 406 | 1 | 7.24 | 2.15 | 3.36 | 2.05 | 18.2 | 5.4 | 1.41 | .305 | 5.38 | 131 | 5.28 | 129 | 10.57 | -12.1 |
| Total | 105 | 29 | 27 | .518 | 105 | 4.01 | 558 | 2 | 0 | 0 | 563.1 | 509 | 251 | 261 | 94 | 124 | 20 | 0 | 0 | 2,298 | 4 | 8.91 | 1.98 | 4.50 | 1.50 | 24.3 | 5.4 | 1.12 | .276 | 4.17 | 98 | 4.12 | 99 | 8.13 | 1.5 |
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