| NAME | GS | SEASON | TM | G | W | L | W% | 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 |  | K. Gibson | 33 | 2023 |  BAL | 33 | 14 | 9 | .609 | 4.73 | 157 | 0 | 0 | 0 | 192.0 | 198 | 101 | 101 | 23 | 55 | 6 | 0 | 0 | 807 | 8 | 7.36 | 2.58 | 2.85 | 1.08 | 19.5 | 6.8 | 1.32 | .309 | 4.73 | 113 | 4.13 | 98 | 9.28 | 1.3 |
| 2 | | D. Kremer | 32 | 2023 | BAL | 32 | 13 | 5 | .722 | 4.12 | 157 | 0 | 0 | 0 | 172.2 | 171 | 79 | 85 | 27 | 55 | 5 | 0 | 0 | 735 | 5 | 8.18 | 2.87 | 2.85 | 1.41 | 21.4 | 7.5 | 1.31 | .293 | 4.43 | 98 | 4.51 | 107 | 8.91 | -6.3 |
| 3 | | K. Bradish | 30 | 2023 | BAL | 30 | 12 | 7 | .632 | 2.83 | 168 | 0 | 0 | 0 | 168.2 | 132 | 53 | 54 | 14 | 44 | 8 | 0 | 0 | 671 | 9 | 8.96 | 2.35 | 3.82 | 0.75 | 25.0 | 6.6 | 1.04 | .270 | 2.88 | 67 | 3.26 | 78 | 7.04 | 17.7 |
| 4 | | G. Rodriguez | 23 | 2023 | BAL | 23 | 7 | 4 | .636 | 4.35 | 129 | 0 | 0 | 0 | 122.0 | 121 | 59 | 62 | 16 | 42 | 2 | 0 | 0 | 515 | 4 | 9.52 | 3.10 | 3.07 | 1.18 | 25.0 | 8.2 | 1.34 | .322 | 4.57 | 104 | 3.92 | 94 | 8.93 | 3.7 |
| 5 | | T. Wells | 20 | 2023 | BAL | 25 | 7 | 6 | .538 | 3.64 | 117 | 0 | 0 | 1 | 118.2 | 83 | 48 | 50 | 25 | 34 | 4 | 2 | 0 | 470 | 3 | 8.87 | 2.58 | 3.44 | 1.90 | 24.9 | 7.2 | 0.99 | .200 | 3.79 | 87 | 4.98 | 119 | 6.29 | -10.6 |
| 6 | | C. Irvin | 12 | 2023 | BAL | 24 | 1 | 4 | .200 | 4.42 | 68 | 0 | 0 | 0 | 77.1 | 78 | 38 | 42 | 11 | 21 | 7 | 6 | 0 | 336 | 2 | 7.91 | 2.44 | 3.24 | 1.28 | 20.2 | 6.3 | 1.28 | .293 | 4.89 | 105 | 4.43 | 106 | 9.08 | -2.1 |
| 7 | | J. Flaherty | 7 | 2023 | BAL | 9 | 1 | 3 | .250 | 6.75 | 42 | 0 | 0 | 0 | 34.2 | 46 | 26 | 27 | 7 | 12 | 4 | 0 | 2 | 165 | 2 | 10.90 | 3.12 | 3.50 | 1.82 | 25.5 | 7.3 | 1.67 | .390 | 7.01 | 161 | 4.84 | 115 | 11.94 | -2.6 |
| 8 | | J. Means | 4 | 2023 | BAL | 4 | 1 | 2 | .333 | 2.66 | 10 | 0 | 0 | 0 | 23.2 | 13 | 7 | 7 | 4 | 4 | 1 | 0 | 0 | 88 | 0 | 3.80 | 1.52 | 2.50 | 1.52 | 11.4 | 4.5 | 0.72 | .130 | 2.66 | 63 | 5.24 | 125 | 4.94 | -2.8 |
| 9 | | K. Akin | 1 | 2023 | BAL | 24 | 2 | 2 | .500 | 6.85 | 27 | 0 | 0 | 0 | 23.2 | 35 | 18 | 22 | 2 | 7 | 0 | 7 | 2 | 112 | 2 | 10.27 | 2.66 | 3.86 | 0.76 | 24.1 | 6.3 | 1.77 | .434 | 8.37 | 163 | 2.96 | 70 | 13.31 | 3.3 |
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