| SP | Reulbach, E.Reulbach, Ed >> | 24 | 1906 | R | 60 | 25 | 25 | 9 | 6 | 2.48 | .280 | 1.13 | 6.6 | 3.6 | 4.7 | 167.0 | 122 | 55 | 46 | 10 | 67 | 88 | 3 | 0 | 0 | 1 | 17 | 6 | 2 | 4.04 |
| SP | Lundgren, C.Lundgren, Carl >> | 27 | 1907 | R | 43 | 24 | 24 | 15 | 5 | 3.64 | .299 | 1.25 | 7.7 | 3.5 | 3.6 | 153.1 | 131 | 69 | 62 | 13 | 60 | 61 | 1 | 0 | 0 | 0 | 14 | 5 | 1 | 4.58 |
| SP | McDowell, S.McDowell, Sam † >> | 23 | 1965 | L | 44 | 26 | 26 | 9 | 8 | 3.31 | .300 | 1.27 | 6.8 | 4.7 | 7.8 | 147.0 | 111 | 57 | 54 | 11 | 76 | 127 | 0 | 0 | 0 | 0 | 15 | 2 | 4 | 3.84 |
| RP | Williams, D.Williams, Devin >> | 28 | 2023 | R | 73 | 87 | 0 | 2 | 1 | 3.08 | .277 | 1.13 | 5.7 | 4.6 | 9.0 | 49.2 | 31 | 18 | 17 | 9 | 25 | 49 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 4.98 |
| RP | Bautista, F.Bautista, Félix >> | 28 | 2023 | R | 75 | 69 | 0 | 3 | 2 | 4.86 | .306 | 1.30 | 7.8 | 3.9 | 9.7 | 37.0 | 32 | 22 | 20 | 4 | 16 | 40 | 0 | 3 | 6 | 0 | 0 | 1 | 1 | 3.62 |
| RP | Urbina, U.Urbina, Ugueth >> | 24 | 1998 | R | 59 | 42 | 0 | 4 | 2 | 4.02 | .309 | 1.31 | 7.5 | 4.4 | 7.5 | 31.1 | 26 | 14 | 14 | 3 | 15 | 26 | 0 | 7 | 3 | 0 | 0 | 1 | 0 | 4.13 |
| RP | LaRoche, D.LaRoche, Dave >> | 28 | 1976 | L | 33 | 52 | 0 | 3 | 2 | 3.07 | .267 | 1.09 | 4.0 | 5.9 | 5.6 | 29.1 | 13 | 11 | 10 | 2 | 19 | 18 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 4.62 |
| RP | Messersmith, A.Messersmith, Andy >> | 23 | 1968 | R | 58 | 31 | 0 | 5 | 0 | 2.49 | .286 | 1.15 | 6.9 | 3.6 | 4.4 | 43.1 | 33 | 13 | 12 | 1 | 17 | 21 | 0 | 3 | 2 | 0 | 0 | 2 | 0 | 3.65 |
| SP | Harden, R.Harden, Rich >> | 27 | 2008 | R | 61 | 16 | 0 | 4 | 0 | 3.27 | .263 | 1.05 | 5.1 | 4.3 | 7.8 | 44.0 | 25 | 16 | 16 | 7 | 21 | 38 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4.84 |