| SP | Walsh, E.Walsh, Ed # $ >> | 29 | 1910 | R | 93 | 34 | 34 | 18 | 11 | 3.69 | .294 | 1.23 | 8.4 | 2.7 | 4.3 | 232.0 | 216 | 96 | 95 | 21 | 70 | 111 | 5 | 0 | 0 | 1 | 21 | 4 | 2 | 4.18 |
| SP | Leonard, D.Leonard, Dutch † >> | 22 | 1914 | L | 91 | 33 | 33 | 19 | 6 | 2.59 | .262 | 1.05 | 6.5 | 3.0 | 5.0 | 232.2 | 167 | 70 | 67 | 22 | 77 | 128 | 1 | 0 | 0 | 0 | 27 | 4 | 4 | 4.18 |
| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 32 | 32 | 13 | 11 | 3.87 | .308 | 1.32 | 7.7 | 4.2 | 7.5 | 202.1 | 172 | 88 | 87 | 12 | 95 | 169 | 1 | 0 | 0 | 0 | 20 | 3 | 2 | 3.55 |
| CL | Gagne, E.Gagne, Eric $ >> | 27 | 2003 | R | 98 | 81 | 0 | 6 | 3 | 2.12 | .248 | 0.98 | 5.3 | 3.5 | 9.0 | 110.1 | 65 | 26 | 26 | 4 | 43 | 110 | 0 | 13 | 0 | 0 | 0 | 1 | 4 | 2.67 |
| RP | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 88 | 44 | 0 | 1 | 2 | 3.68 | .322 | 1.42 | 10.6 | 2.3 | 7.6 | 51.1 | 60 | 23 | 21 | 10 | 13 | 43 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 4.63 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 85 | 33 | 0 | 3 | 2 | 2.83 | .261 | 1.06 | 5.4 | 4.1 | 7.2 | 35.0 | 21 | 11 | 11 | 6 | 16 | 28 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 5.00 |
| RP | Bautista, F.Bautista, Félix >> | 28 | 2023 | R | 75 | 15 | 0 | 2 | 2 | 3.24 | .306 | 1.32 | 8.4 | 3.9 | 7.9 | 16.2 | 15 | 6 | 6 | 2 | 7 | 14 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 4.19 |