| SP | Tiant, L.Tiant, Luis † >> | 28 | 1968 | R | 97 | 30 | 30 | 18 | 6 | 3.53 | .295 | 1.24 | 7.4 | 3.7 | 7.7 | 232.1 | 192 | 95 | 91 | 20 | 96 | 199 | 9 | 0 | 0 | 0 | 19 | 4 | 4 | 3.70 |
| SP | Pfiester, J.Pfiester, Jack # >> | 28 | 1906 | L | 74 | 29 | 29 | 12 | 15 | 4.79 | .311 | 1.34 | 8.7 | 3.4 | 4.5 | 219.2 | 212 | 124 | 117 | 23 | 83 | 110 | 10 | 0 | 0 | 1 | 12 | 3 | 4 | 4.54 |
| SP | Caldwell, R.Caldwell, Ray >> | 26 | 1914 | R | 64 | 21 | 21 | 7 | 8 | 6.01 | .336 | 1.46 | 10.1 | 3.0 | 4.5 | 133.1 | 149 | 94 | 89 | 13 | 45 | 66 | 1 | 0 | 0 | 1 | 7 | 8 | 2 | 4.47 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 73 | 0 | 1 | 4 | 2.34 | .251 | 0.98 | 6.6 | 2.4 | 8.4 | 103.2 | 75 | 29 | 27 | 8 | 27 | 96 | 0 | 12 | 5 | 0 | 0 | 2 | 4 | 2.99 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 66 | 57 | 0 | 5 | 4 | 5.79 | .370 | 1.70 | 12.0 | 3.5 | 8.9 | 60.2 | 80 | 44 | 39 | 9 | 23 | 59 | 0 | 7 | 4 | 0 | 0 | 4 | 0 | 4.33 |
| RP | Abernathy, T.Abernathy, Ted >> | 34 | 1967 | R | 49 | 37 | 0 | 4 | 2 | 2.04 | .254 | 1.00 | 5.4 | 3.6 | 7.1 | 53.0 | 32 | 15 | 12 | 2 | 21 | 42 | 0 | 5 | 2 | 0 | 0 | 1 | 2 | 3.15 |
| SP | Hendricks, K.Hendricks, Kyle >> | 26 | 2016 | R | 56 | 1 | 1 | 0 | 1 | 4.50 | .379 | 1.83 | 10.5 | 6.0 | 9.0 | 6.0 | 7 | 3 | 3 | 0 | 4 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3.00 |
| SP | Fernandez, S.Fernandez, Sid >> | 23 | 1985 | L | 49 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |