| SP | Reulbach, E.Reulbach, Ed † >> | 24 | 1906 | R | 61 | 20 | 20 | 14 | 4 | 2.99 | .298 | 1.28 | 6.3 | 5.3 | 4.3 | 135.2 | 94 | 53 | 45 | 8 | 79 | 64 | 1 | 0 | 0 | 1 | 15 | 0 | 4 | 4.58 |
| SP | Fernandez, S.Fernandez, Sid >> | 23 | 1985 | L | 49 | 19 | 19 | 12 | 4 | 2.98 | .283 | 1.17 | 6.7 | 3.9 | 7.1 | 121.0 | 90 | 40 | 40 | 8 | 52 | 96 | 0 | 0 | 0 | 0 | 15 | 1 | 1 | 3.59 |
| SP | Lundgren, C.Lundgren, Carl >> | 27 | 1907 | R | 42 | 19 | 19 | 9 | 6 | 3.53 | .304 | 1.27 | 6.8 | 4.7 | 4.3 | 132.2 | 99 | 59 | 52 | 10 | 69 | 63 | 6 | 0 | 0 | 0 | 13 | 6 | 4 | 4.73 |
| RP | Williams, D.Williams, Devin >> | 28 | 2023 | R | 73 | 60 | 0 | 2 | 1 | 2.78 | .282 | 1.12 | 5.7 | 4.6 | 10.0 | 35.2 | 22 | 12 | 11 | 3 | 18 | 39 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 3.60 |
| RP | Bautista, F.Bautista, Félix >> | 28 | 2023 | R | 75 | 45 | 0 | 0 | 1 | 4.01 | .345 | 1.58 | 9.4 | 5.3 | 10.1 | 24.2 | 25 | 11 | 11 | 2 | 14 | 27 | 0 | 9 | 2 | 0 | 0 | 0 | 3 | 3.58 |
| RP | Valverde, J.Valverde, Jose >> | 24 | 2003 | R | 62 | 29 | 0 | 2 | 1 | 4.82 | .333 | 1.50 | 6.5 | 7.5 | 9.0 | 18.2 | 13 | 10 | 10 | 2 | 15 | 18 | 0 | 6 | 3 | 0 | 0 | 0 | 2 | 4.94 |
| RP | LaRoche, D.LaRoche, Dave >> | 28 | 1976 | L | 32 | 36 | 0 | 0 | 2 | 4.56 | .347 | 1.60 | 9.4 | 5.4 | 9.7 | 25.2 | 26 | 13 | 13 | 3 | 15 | 27 | 0 | 6 | 2 | 0 | 0 | 0 | 0 | 4.20 |
| RP | Wilhelm, H.Wilhelm, Hoyt >> | 43 | 1965 | R | 68 | 31 | 0 | 4 | 2 | 3.96 | .256 | 1.01 | 7.8 | 1.4 | 3.8 | 38.2 | 33 | 19 | 17 | 5 | 6 | 16 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 4.42 |