| SP | Alexander, P.Alexander, Pete >> | 28 | 1915 | R | 91 | 23 | 23 | 12 | 7 | 3.75 | .283 | 1.16 | 8.3 | 2.1 | 5.8 | 185.0 | 171 | 81 | 77 | 17 | 43 | 119 | 8 | 0 | 0 | 1 | 16 | 5 | 4 | 3.69 |
| SP | McQuillan, G.McQuillan, George >> | 22 | 1907 | R | 98 | 23 | 22 | 0 | 2 | 2.32 | .227 | 0.86 | 5.3 | 2.5 | 5.3 | 66.0 | 39 | 17 | 17 | 2 | 18 | 39 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3.08 |
| SP | Bender, C.Bender, Chief # >> | 33 | 1917 | R | 53 | 23 | 22 | 10 | 8 | 4.91 | .313 | 1.34 | 9.8 | 2.3 | 5.1 | 117.1 | 127 | 68 | 64 | 17 | 30 | 66 | 0 | 0 | 0 | 0 | 8 | 3 | 5 | 4.61 |
| RP | Bastardo, A.Bastardo, Antonio >> | 26 | 2011 | L | 79 | 56 | 0 | 7 | 3 | 3.10 | .296 | 1.25 | 6.3 | 5.1 | 9.0 | 69.2 | 48 | 28 | 24 | 7 | 39 | 69 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 4.06 |
| RP | Strahm, M.Strahm, Matt >> | 32 | 2024 | L | 92 | 62 | 0 | 9 | 1 | 2.42 | .254 | 0.96 | 6.9 | 1.8 | 8.6 | 70.2 | 54 | 19 | 19 | 4 | 14 | 67 | 0 | 1 | 2 | 0 | 0 | 4 | 2 | 2.60 |
| RP | Dominguez, S.Dominguez, Seranthony >> | 23 | 2018 | R | 71 | 70 | 0 | 2 | 3 | 3.57 | .315 | 1.37 | 7.1 | 5.1 | 7.4 | 63.0 | 50 | 25 | 25 | 12 | 36 | 52 | 0 | 3 | 3 | 0 | 0 | 1 | 8 | 5.59 |
| RP | Valdes, R.Valdes, Raul >> | 34 | 2012 | L | 91 | 58 | 0 | 4 | 1 | 3.21 | .260 | 1.01 | 6.5 | 2.7 | 7.7 | 61.2 | 44 | 23 | 22 | 7 | 18 | 52 | 0 | 5 | 2 | 0 | 0 | 3 | 0 | 3.82 |
| RP | Wagner, B.Wagner, Billy >> | 34 | 2005 | L | 80 | 50 | 0 | 6 | 5 | 2.07 | .213 | 0.78 | 4.8 | 2.2 | 9.7 | 65.1 | 35 | 15 | 15 | 7 | 16 | 70 | 0 | 7 | 2 | 0 | 0 | 2 | 1 | 3.08 |
| RP | Hoffman, J.Hoffman, Jeff >> | 30 | 2023 | R | 73 | 61 | 0 | 2 | 5 | 2.50 | .323 | 1.43 | 7.8 | 5.2 | 7.9 | 68.1 | 59 | 21 | 19 | 5 | 39 | 60 | 0 | 6 | 1 | 0 | 0 | 0 | 1 | 3.91 |