| SP | McClanahan, S.McClanahan, Shane † >> | 26 | 2023 | L | 79 | 36 | 35 | 14 | 7 | 3.65 | .301 | 1.24 | 7.7 | 3.4 | 10.3 | 207.0 | 178 | 85 | 84 | 23 | 79 | 238 | 0 | 0 | 0 | 0 | 19 | 10 | 4 | 3.43 |
| SP | Wacha, M.Wacha, Michael >> | 31 | 2023 | R | 76 | 34 | 34 | 14 | 11 | 3.79 | .306 | 1.32 | 8.2 | 3.7 | 8.3 | 206.2 | 188 | 90 | 87 | 24 | 84 | 191 | 0 | 0 | 0 | 0 | 18 | 2 | 3 | 3.91 |
| RP | Alvarado, J.Alvarado, Jose >> | 28 | 2023 | L | 87 | 91 | 0 | 5 | 1 | 2.49 | .249 | 0.96 | 5.5 | 3.2 | 12.4 | 61.1 | 37 | 17 | 17 | 8 | 22 | 84 | 0 | 1 | 1 | 0 | 0 | 2 | 3 | 3.13 |
| RP | Moore, M.Moore, Matt # >> | 34 | 2023 | L | 73 | 61 | 0 | 6 | 4 | 5.00 | .357 | 1.64 | 11.0 | 3.8 | 7.2 | 45.0 | 55 | 25 | 25 | 4 | 19 | 36 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.89 |
| RP | Stanek, R.Stanek, Ryne # >> | 31 | 2023 | R | 62 | 79 | 0 | 3 | 3 | 4.74 | .277 | 1.12 | 8.0 | 2.1 | 10.2 | 74.0 | 66 | 39 | 39 | 14 | 17 | 84 | 0 | 6 | 3 | 0 | 0 | 2 | 2 | 3.96 |
| CL | Fairbanks, P.Fairbanks, Peter † >> | 29 | 2023 | R | 99 | 76 | 0 | 2 | 5 | 2.09 | .267 | 1.06 | 5.8 | 3.8 | 12.3 | 73.1 | 47 | 18 | 17 | 2 | 31 | 100 | 0 | 45 | 4 | 0 | 0 | 2 | 6 | 1.97 |
| SP | Bradley, T.Bradley, Taj >> | 22 | 2023 | R | 41 | 30 | 24 | 6 | 9 | 4.78 | .324 | 1.37 | 8.8 | 3.6 | 10.0 | 122.1 | 119 | 65 | 65 | 17 | 49 | 136 | 0 | 0 | 0 | 0 | 2 | 8 | 3 | 3.98 |