| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 19 | 19 | 8 | 6 | 3.41 | .277 | 1.12 | 7.2 | 2.9 | 6.3 | 142.1 | 113 | 59 | 54 | 15 | 46 | 99 | 3 | 0 | 0 | 2 | 10 | 5 | 2 | 4.06 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 18 | 18 | 3 | 10 | 5.42 | .330 | 1.48 | 10.1 | 3.3 | 8.6 | 119.2 | 134 | 79 | 72 | 13 | 43 | 114 | 2 | 0 | 0 | 0 | 8 | 0 | 2 | 3.59 |
| SP | Hunter, C.Hunter, Catfish >> | 26 | 1972 | R | 81 | 17 | 17 | 9 | 6 | 4.32 | .305 | 1.30 | 8.9 | 2.9 | 5.1 | 123.0 | 121 | 62 | 59 | 12 | 39 | 70 | 3 | 0 | 0 | 2 | 11 | 2 | 0 | 4.13 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 77 | 15 | 15 | 5 | 7 | 5.57 | .320 | 1.38 | 9.8 | 2.6 | 5.3 | 108.1 | 118 | 72 | 67 | 12 | 31 | 64 | 5 | 0 | 0 | 1 | 5 | 4 | 5 | 4.23 |
| SP | Schmidt, J.Schmidt, Jason >> | 30 | 2003 | R | 67 | 17 | 17 | 7 | 6 | 4.23 | .325 | 1.44 | 9.2 | 3.7 | 7.9 | 123.1 | 126 | 59 | 58 | 13 | 51 | 108 | 1 | 0 | 0 | 0 | 10 | 1 | 3 | 3.89 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 26 | 0 | 0 | 3 | 3.24 | .270 | 1.11 | 7.1 | 3.0 | 7.9 | 33.1 | 26 | 12 | 12 | 4 | 11 | 29 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 3.82 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 14 | 0 | 0 | 0 | 1.02 | .232 | 0.91 | 7.4 | 1.1 | 6.4 | 17.2 | 14 | 2 | 2 | 1 | 2 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.71 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 66 | 12 | 0 | 1 | 1 | 4.76 | .370 | 1.76 | 12.2 | 3.7 | 9.0 | 17.0 | 23 | 11 | 9 | 1 | 7 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.00 |
| SP | Coveleski, S.Coveleski, Stan >> | 28 | 1917 | R | 62 | 2 | 2 | 1 | 0 | 1.42 | .269 | 1.11 | 6.0 | 4.5 | 5.3 | 12.2 | 8 | 3 | 2 | 0 | 6 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3.33 |
| SP | Perry, G.Perry, Gaylord >> | 34 | 1972 | R | 54 | 6 | 0 | 2 | 1 | 1.86 | .275 | 1.14 | 6.0 | 5.0 | 11.0 | 9.2 | 6 | 2 | 2 | 2 | 5 | 11 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 5.11 |