| SP | Johnson, W.Johnson, Walter >> | 26 | 1913 | R | 95 | 34 | 34 | 19 | 8 | 3.50 | .270 | 1.09 | 8.3 | 1.5 | 4.7 | 257.1 | 238 | 110 | 100 | 23 | 42 | 135 | 11 | 0 | 0 | 2 | 22 | 6 | 2 | 3.67 |
| SP | Pfiester, J.Pfiester, Jack # >> | 28 | 1906 | L | 74 | 36 | 36 | 19 | 10 | 3.51 | .275 | 1.13 | 7.5 | 2.7 | 4.3 | 258.2 | 215 | 108 | 101 | 19 | 76 | 123 | 7 | 0 | 0 | 0 | 21 | 4 | 1 | 3.93 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 77 | 33 | 33 | 11 | 14 | 5.36 | .328 | 1.44 | 10.4 | 2.6 | 3.6 | 220.0 | 253 | 141 | 131 | 40 | 63 | 88 | 7 | 0 | 0 | 0 | 14 | 6 | 3 | 5.50 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 33 | 31 | 9 | 11 | 6.19 | .340 | 1.53 | 10.3 | 3.5 | 7.8 | 196.1 | 224 | 143 | 135 | 41 | 76 | 169 | 1 | 0 | 0 | 0 | 8 | 4 | 3 | 5.22 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 63 | 0 | 4 | 1 | 3.32 | .263 | 1.05 | 6.7 | 2.8 | 6.8 | 86.2 | 64 | 33 | 32 | 12 | 27 | 65 | 0 | 2 | 2 | 0 | 0 | 2 | 0 | 4.31 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 70 | 57 | 0 | 4 | 6 | 3.30 | .273 | 1.11 | 7.8 | 2.3 | 5.1 | 76.1 | 66 | 30 | 28 | 5 | 19 | 43 | 0 | 2 | 2 | 0 | 0 | 1 | 1 | 3.51 |
| CL | Gossage, R.Gossage, Rich † >> | 30 | 1981 | R | 90 | 79 | 0 | 6 | 7 | 3.47 | .307 | 1.29 | 7.5 | 4.2 | 7.2 | 93.1 | 77 | 36 | 36 | 5 | 43 | 74 | 0 | 43 | 5 | 0 | 0 | 4 | 0 | 3.62 |