| SP | Johnson, W.Johnson, Walter >> | 26 | 1913 | R | 95 | 34 | 34 | 5 | 25 | 5.71 | .345 | 1.55 | 11.1 | 2.8 | 6.6 | 176.2 | 218 | 179 | 112 | 34 | 55 | 130 | 1 | 0 | 0 | 0 | 12 | 6 | 3 | 5.07 |
| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 33 | 33 | 7 | 22 | 6.40 | .348 | 1.58 | 9.7 | 4.6 | 5.9 | 153.1 | 165 | 151 | 109 | 22 | 78 | 100 | 0 | 0 | 0 | 0 | 10 | 3 | 6 | 5.15 |
| SP | Cicotte, E.Cicotte, Eddie >> | 33 | 1917 | R | 74 | 32 | 32 | 5 | 16 | 4.79 | .343 | 1.54 | 10.0 | 3.9 | 6.2 | 180.1 | 199 | 170 | 96 | 24 | 78 | 123 | 1 | 0 | 0 | 0 | 14 | 6 | 7 | 4.77 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 73 | 33 | 29 | 2 | 23 | 5.41 | .355 | 1.64 | 10.9 | 3.9 | 5.2 | 173.0 | 209 | 169 | 104 | 21 | 75 | 99 | 3 | 1 | 0 | 0 | 11 | 2 | 1 | 4.77 |
| RP | Feliz, N.Feliz, Neftali >> | 21 | 2009 | R | 97 | 89 | 0 | 1 | 2 | 3.09 | .325 | 1.44 | 7.9 | 5.2 | 10.1 | 110.2 | 96 | 71 | 38 | 12 | 63 | 124 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 3.91 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 76 | 0 | 3 | 8 | 5.42 | .381 | 1.75 | 11.2 | 4.7 | 9.7 | 74.2 | 92 | 60 | 45 | 13 | 39 | 80 | 0 | 6 | 5 | 0 | 0 | 7 | 6 | 4.99 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 77 | 63 | 0 | 2 | 2 | 2.97 | .310 | 1.33 | 9.3 | 2.9 | 10.5 | 72.2 | 74 | 43 | 24 | 7 | 23 | 84 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 2.93 |
| RP | Rhodes, A.Rhodes, Arthur >> | 32 | 2001 | L | 64 | 105 | 0 | 1 | 0 | 6.18 | .345 | 1.53 | 10.8 | 3.0 | 10.8 | 90.1 | 108 | 85 | 62 | 15 | 30 | 108 | 0 | 2 | 0 | 0 | 0 | 5 | 10 | 3.93 |