| SP | Castillo, L.Castillo, Luis >> | 30 | 2023 | R | 94 | 33 | 33 | 8 | 15 | 3.64 | .288 | 1.19 | 8.0 | 2.7 | 10.2 | 205.0 | 182 | 83 | 83 | 28 | 61 | 232 | 0 | 0 | 0 | 0 | 22 | 6 | 2 | 3.49 |
| SP | Kelly, M.Kelly, Merrill >> | 34 | 2023 | R | 72 | 32 | 32 | 14 | 12 | 4.08 | .305 | 1.26 | 8.6 | 2.8 | 10.5 | 187.2 | 178 | 86 | 85 | 23 | 59 | 218 | 0 | 0 | 0 | 0 | 19 | 10 | 1 | 3.37 |
| SP | Bibee, T.Bibee, Tanner >> | 24 | 2023 | R | 68 | 32 | 32 | 7 | 11 | 5.16 | .353 | 1.59 | 10.6 | 3.7 | 7.9 | 167.1 | 197 | 98 | 96 | 16 | 69 | 146 | 0 | 0 | 0 | 0 | 11 | 8 | 5 | 3.88 |
| SP | Stroman, M.Stroman, Marcus >> | 32 | 2023 | R | 56 | 31 | 31 | 12 | 11 | 4.89 | .341 | 1.51 | 9.1 | 4.5 | 8.7 | 151.0 | 152 | 83 | 82 | 17 | 76 | 146 | 0 | 0 | 0 | 0 | 8 | 6 | 3 | 4.16 |
| SP | Clevinger, M.Clevinger, Mike # >> | 32 | 2023 | R | 54 | 30 | 30 | 12 | 7 | 4.73 | .298 | 1.23 | 8.6 | 2.5 | 8.0 | 160.0 | 153 | 86 | 84 | 27 | 44 | 142 | 0 | 0 | 0 | 0 | 13 | 7 | 4 | 4.38 |
| RP | Kimbrel, C.Kimbrel, Craig # >> | 35 | 2023 | R | 94 | 86 | 0 | 2 | 6 | 5.09 | .316 | 1.36 | 8.8 | 3.5 | 10.6 | 116.2 | 114 | 66 | 66 | 18 | 45 | 136 | 0 | 1 | 3 | 0 | 0 | 3 | 6 | 3.91 |
| RP | Swanson, E.Swanson, Erik >> | 29 | 2023 | R | 75 | 91 | 0 | 6 | 7 | 5.45 | .329 | 1.42 | 9.6 | 3.1 | 11.0 | 112.1 | 120 | 69 | 68 | 15 | 39 | 137 | 0 | 5 | 10 | 0 | 0 | 6 | 0 | 3.50 |
| RP | Jimenez, J.Jimenez, Joe >> | 28 | 2023 | R | 59 | 83 | 0 | 4 | 4 | 4.87 | .326 | 1.41 | 9.3 | 3.4 | 10.1 | 94.1 | 97 | 52 | 51 | 13 | 36 | 106 | 0 | 8 | 5 | 0 | 0 | 4 | 0 | 3.82 |
| RP | Munoz, A.Munoz, Andres >> | 24 | 2023 | R | 49 | 71 | 0 | 0 | 8 | 4.46 | .318 | 1.37 | 7.8 | 4.6 | 10.8 | 76.2 | 66 | 39 | 38 | 12 | 39 | 91 | 0 | 9 | 4 | 0 | 0 | 2 | 3 | 4.28 |
| RP | Graveman, K.Graveman, Kendall >> | 32 | 2023 | R | 40 | 57 | 0 | 1 | 4 | 4.34 | .352 | 1.57 | 8.0 | 6.1 | 10.8 | 66.1 | 59 | 33 | 32 | 4 | 45 | 79 | 0 | 4 | 2 | 0 | 0 | 4 | 3 | 3.62 |