| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 35 | 35 | 8 | 13 | 3.66 | .298 | 1.27 | 8.1 | 3.3 | 5.0 | 218.2 | 196 | 99 | 89 | 18 | 81 | 120 | 2 | 0 | 0 | 1 | 19 | 2 | 2 | 4.11 |
| SP | Brown, M.Brown, Mordecai >> | 32 | 1908 | R | 85 | 34 | 34 | 17 | 10 | 3.98 | .300 | 1.27 | 8.6 | 2.8 | 3.9 | 246.1 | 236 | 114 | 109 | 21 | 76 | 106 | 7 | 0 | 0 | 0 | 21 | 5 | 9 | 4.24 |
| SP | Reulbach, E.Reulbach, Ed >> | 24 | 1906 | R | 60 | 32 | 32 | 16 | 8 | 3.83 | .302 | 1.28 | 6.5 | 5.0 | 3.8 | 216.0 | 157 | 104 | 92 | 24 | 120 | 92 | 2 | 0 | 0 | 0 | 20 | 4 | 6 | 5.31 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 32 | 31 | 13 | 10 | 4.01 | .314 | 1.36 | 8.4 | 3.8 | 7.6 | 191.0 | 179 | 91 | 85 | 18 | 81 | 162 | 0 | 0 | 0 | 0 | 18 | 2 | 2 | 3.83 |
| RP | Bautista, F.Bautista, Félix # >> | 28 | 2023 | R | 75 | 97 | 0 | 6 | 6 | 4.04 | .317 | 1.38 | 7.6 | 4.9 | 8.9 | 111.1 | 94 | 60 | 50 | 11 | 60 | 110 | 0 | 3 | 5 | 0 | 0 | 1 | 5 | 3.95 |
| RP | Holland, G.Holland, Greg >> | 27 | 2013 | R | 72 | 85 | 0 | 5 | 3 | 2.93 | .294 | 1.24 | 7.5 | 3.7 | 8.8 | 95.1 | 79 | 33 | 31 | 6 | 39 | 93 | 0 | 3 | 4 | 0 | 0 | 1 | 5 | 3.13 |
| RP | Messersmith, A.Messersmith, Andy >> | 23 | 1968 | R | 58 | 48 | 0 | 2 | 3 | 3.09 | .326 | 1.42 | 7.5 | 5.3 | 5.1 | 64.0 | 53 | 23 | 22 | 4 | 38 | 36 | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 4.56 |
| CL | Williams, D.Williams, Devin † >> | 28 | 2023 | R | 73 | 77 | 0 | 5 | 9 | 3.97 | .316 | 1.32 | 6.7 | 5.2 | 8.7 | 79.1 | 59 | 35 | 35 | 8 | 46 | 76 | 0 | 39 | 5 | 0 | 0 | 5 | 0 | 4.33 |