| SP | Mathewson, C.Mathewson, Christy # >> | 28 | 1908 | R | 82 | 8 | 8 | 3 | 3 | 4.94 | .279 | 1.11 | 7.8 | 2.2 | 4.5 | 62.0 | 54 | 35 | 34 | 7 | 15 | 31 | 1 | 0 | 0 | 1 | 3 | 3 | 0 | 4.34 |
| SP | Chesbro, J.Chesbro, Jack >> | 30 | 1904 | R | 65 | 8 | 8 | 5 | 2 | 4.07 | .298 | 1.24 | 7.9 | 3.4 | 5.8 | 59.2 | 52 | 29 | 27 | 8 | 22 | 38 | 2 | 0 | 0 | 0 | 4 | 2 | 0 | 4.69 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 19 | 0 | 0 | 0 | 3.57 | .284 | 1.15 | 6.5 | 4.1 | 10.6 | 22.2 | 16 | 9 | 9 | 0 | 10 | 26 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 2.14 |
| RP | Valverde, J.Valverde, Jose >> | 24 | 2003 | R | 63 | 17 | 0 | 2 | 0 | 4.50 | .365 | 1.72 | 7.0 | 8.5 | 9.0 | 18.0 | 14 | 14 | 9 | 2 | 17 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 5.28 |
| RP | Russell, J.Russell, Jeff >> | 28 | 1989 | R | 56 | 15 | 0 | 2 | 1 | 3.94 | .262 | 1.06 | 5.6 | 3.9 | 6.2 | 16.0 | 10 | 7 | 7 | 4 | 7 | 11 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 6.19 |
| SP | Harden, R.Harden, Rich >> | 27 | 2008 | R | 60 | 1 | 0 | 0 | 0 | 4.50 | .250 | 1.00 | 4.5 | 4.5 | 9.0 | 2.0 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.00 |
| SP | Camnitz, H.Camnitz, Howie >> | 28 | 1909 | R | 56 | 6 | 0 | 1 | 1 | 11.25 | .471 | 2.58 | 13.5 | 9.8 | 3.0 | 12.0 | 18 | 15 | 15 | 1 | 13 | 4 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 6.92 |