| SP | Chesbro, J.Chesbro, Jack # >> | 30 | 1904 | R | 65 | 25 | 25 | 10 | 13 | 5.16 | .320 | 1.40 | 9.6 | 3.1 | 5.1 | 174.1 | 185 | 105 | 100 | 19 | 59 | 98 | 10 | 0 | 0 | 1 | 9 | 2 | 5 | 4.34 |
| SP | Hughes, T.Hughes, Tom # >> | 31 | 1915 | R | 64 | 25 | 25 | 11 | 8 | 5.26 | .340 | 1.53 | 9.9 | 3.9 | 5.3 | 130.0 | 143 | 78 | 76 | 17 | 56 | 76 | 0 | 0 | 0 | 0 | 9 | 2 | 4 | 4.87 |
| SP | Drysdale, D.Drysdale, Don >> | 28 | 1964 | R | 59 | 25 | 25 | 10 | 9 | 4.32 | .318 | 1.38 | 9.1 | 3.4 | 5.4 | 187.2 | 189 | 95 | 90 | 21 | 70 | 112 | 8 | 0 | 0 | 0 | 12 | 4 | 3 | 4.45 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 96 | 61 | 0 | 5 | 4 | 3.22 | .281 | 1.14 | 7.0 | 3.2 | 10.2 | 81.0 | 63 | 30 | 29 | 3 | 29 | 92 | 0 | 4 | 1 | 0 | 0 | 3 | 0 | 2.40 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 53 | 0 | 2 | 5 | 2.97 | .273 | 1.11 | 8.1 | 2.0 | 9.1 | 72.2 | 65 | 24 | 24 | 9 | 16 | 73 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 3.31 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 66 | 49 | 0 | 3 | 2 | 2.95 | .333 | 1.48 | 9.6 | 3.7 | 8.4 | 58.0 | 62 | 19 | 19 | 3 | 24 | 54 | 0 | 8 | 1 | 0 | 0 | 1 | 1 | 3.10 |
| RP | Urbina, U.Urbina, Ugueth >> | 24 | 1998 | R | 59 | 32 | 0 | 2 | 1 | 3.28 | .287 | 1.21 | 5.9 | 5.1 | 9.8 | 35.2 | 23 | 15 | 13 | 5 | 20 | 38 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 4.40 |
| SP | Overall, O.Overall, Orval >> | 28 | 1909 | R | 57 | 9 | 0 | 0 | 0 | 3.60 | .302 | 1.30 | 8.1 | 3.6 | 6.3 | 10.0 | 9 | 4 | 4 | 1 | 4 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 4.10 |