| SP | Greinke, Z.Greinke, Zack † >> | 32 | 2015 | R | 94 | 36 | 36 | 13 | 14 | 3.96 | .306 | 1.31 | 8.9 | 2.9 | 6.2 | 252.0 | 249 | 122 | 111 | 27 | 80 | 174 | 4 | 0 | 0 | 1 | 22 | 5 | 5 | 4.02 |
| SP | Leonard, D.Leonard, Dutch >> | 22 | 1914 | L | 91 | 35 | 35 | 13 | 15 | 3.57 | .285 | 1.17 | 7.9 | 2.7 | 5.5 | 226.2 | 198 | 95 | 90 | 19 | 67 | 137 | 0 | 0 | 0 | 0 | 24 | 6 | 1 | 3.85 |
| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 35 | 34 | 13 | 15 | 4.60 | .333 | 1.48 | 8.7 | 4.7 | 8.1 | 217.1 | 209 | 118 | 111 | 27 | 113 | 195 | 2 | 0 | 0 | 1 | 19 | 3 | 6 | 4.42 |
| SP | Guidry, R.Guidry, Ron # >> | 28 | 1978 | L | 78 | 33 | 33 | 14 | 11 | 3.85 | .303 | 1.28 | 8.6 | 3.0 | 6.5 | 238.2 | 227 | 113 | 102 | 22 | 79 | 172 | 10 | 0 | 0 | 2 | 17 | 5 | 3 | 3.82 |
| RP | Marmol, C.Marmol, Carlos # >> | 26 | 2008 | R | 71 | 51 | 0 | 6 | 2 | 5.01 | .320 | 1.39 | 7.4 | 5.3 | 10.0 | 46.2 | 38 | 26 | 26 | 7 | 27 | 51 | 0 | 6 | 2 | 0 | 0 | 1 | 3 | 4.59 |
| RP | Williams, D.Williams, Devin >> | 28 | 2023 | R | 73 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Zimmerman, J.Zimmerman, Jeff # >> | 27 | 1999 | R | 70 | 39 | 0 | 1 | 0 | 5.11 | .339 | 1.54 | 8.0 | 5.8 | 6.1 | 37.0 | 33 | 24 | 21 | 4 | 24 | 25 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 5.00 |
| SP | Hunter, C.Hunter, Catfish >> | 26 | 1972 | R | 82 | 19 | 1 | 4 | 4 | 4.86 | .323 | 1.37 | 9.1 | 3.1 | 5.7 | 63.0 | 64 | 38 | 34 | 7 | 22 | 40 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4.41 |