| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 29 | 29 | 14 | 12 | 4.09 | .321 | 1.39 | 8.8 | 3.8 | 4.5 | 184.2 | 180 | 93 | 84 | 20 | 77 | 91 | 0 | 0 | 0 | 0 | 18 | 5 | 3 | 4.76 |
| SP | Kershaw, C.Kershaw, Clayton >> | 28 | 2016 | L | 99 | 28 | 28 | 10 | 10 | 3.87 | .299 | 1.24 | 9.2 | 2.0 | 7.9 | 195.1 | 200 | 105 | 84 | 30 | 43 | 172 | 3 | 0 | 0 | 0 | 17 | 7 | 9 | 4.01 |
| SP | Reulbach, E.Reulbach, Ed >> | 24 | 1906 | R | 60 | 27 | 27 | 13 | 9 | 5.06 | .326 | 1.42 | 8.1 | 4.8 | 5.0 | 172.2 | 154 | 100 | 97 | 26 | 92 | 95 | 2 | 0 | 0 | 2 | 14 | 4 | 0 | 5.53 |
| SP | Marichal, J.Marichal, Juan # >> | 29 | 1966 | R | 77 | 20 | 19 | 8 | 7 | 5.32 | .319 | 1.40 | 10.3 | 2.3 | 4.6 | 140.1 | 160 | 94 | 83 | 25 | 36 | 72 | 4 | 0 | 0 | 0 | 7 | 1 | 3 | 5.09 |
| CL | Gagne, E.Gagne, Eric † $ >> | 27 | 2003 | R | 98 | 53 | 0 | 6 | 5 | 2.45 | .273 | 1.13 | 6.7 | 3.4 | 6.4 | 55.0 | 41 | 16 | 15 | 4 | 21 | 39 | 0 | 32 | 1 | 0 | 0 | 0 | 2 | 3.67 |
| RP | Marmol, C.Marmol, Carlos >> | 26 | 2008 | R | 71 | 27 | 0 | 3 | 1 | 2.00 | .270 | 1.11 | 6.3 | 3.7 | 7.3 | 27.0 | 19 | 8 | 6 | 1 | 11 | 22 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3.07 |
| RP | Williams, D.Williams, Devin >> | 28 | 2023 | R | 73 | 11 | 0 | 1 | 0 | 2.61 | .279 | 1.16 | 8.1 | 2.7 | 5.4 | 10.1 | 9 | 3 | 3 | 2 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.30 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 85 | 1 | 0 | 0 | 0 | 0.00 | .250 | 0.00 | 0.0 | 0.0 | 9.0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.00 |
| RP | Marte, D.Marte, Damaso >> | 28 | 2003 | L | 37 | 15 | 0 | 0 | 0 | 2.30 | .277 | 1.09 | 6.0 | 4.2 | 9.6 | 15.2 | 10 | 4 | 4 | 1 | 7 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.33 |