| SP | Arrieta, J.Arrieta, Jake † $ >> | 29 | 2015 | R | 93 | 31 | 31 | 13 | 9 | 3.56 | .302 | 1.25 | 8.1 | 3.2 | 6.7 | 189.2 | 171 | 78 | 75 | 9 | 67 | 141 | 1 | 0 | 0 | 1 | 20 | 8 | 3 | 3.32 |
| SP | Leonard, D.Leonard, Dutch $ >> | 22 | 1914 | L | 91 | 30 | 30 | 15 | 6 | 3.02 | .267 | 1.06 | 6.6 | 2.9 | 4.7 | 200.0 | 147 | 74 | 67 | 16 | 64 | 105 | 3 | 0 | 0 | 3 | 21 | 8 | 3 | 4.07 |
| SP | Mathewson, C.Mathewson, Christy >> | 29 | 1909 | R | 85 | 29 | 29 | 12 | 9 | 3.75 | .275 | 1.13 | 7.7 | 2.5 | 3.9 | 187.0 | 159 | 79 | 78 | 18 | 52 | 81 | 4 | 0 | 0 | 2 | 17 | 2 | 4 | 4.25 |
| SP | Brown, M.Brown, Mordecai † # >> | 32 | 1908 | R | 84 | 29 | 29 | 18 | 6 | 3.39 | .273 | 1.10 | 7.8 | 2.2 | 3.7 | 196.2 | 169 | 80 | 74 | 22 | 48 | 80 | 4 | 0 | 0 | 1 | 22 | 5 | 1 | 4.45 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 29 | 29 | 7 | 8 | 5.63 | .347 | 1.58 | 10.1 | 4.1 | 6.9 | 150.1 | 168 | 99 | 94 | 26 | 69 | 115 | 0 | 0 | 0 | 0 | 9 | 3 | 3 | 5.16 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 86 | 52 | 0 | 3 | 4 | 3.21 | .288 | 1.20 | 7.2 | 3.7 | 10.0 | 61.2 | 49 | 23 | 22 | 4 | 25 | 68 | 0 | 10 | 8 | 0 | 0 | 1 | 3 | 2.90 |
| RP | Bautista, F.Bautista, Félix >> | 28 | 2023 | R | 74 | 39 | 0 | 6 | 4 | 3.10 | .295 | 1.23 | 8.8 | 2.5 | 10.8 | 40.2 | 39 | 14 | 14 | 4 | 11 | 48 | 0 | 4 | 1 | 0 | 0 | 1 | 3 | 2.80 |