| SP | Johnson, W.Johnson, Walter $ >> | 26 | 1913 | R | 95 | 34 | 34 | 13 | 14 | 3.20 | .272 | 1.08 | 7.9 | 1.8 | 5.5 | 228.0 | 201 | 97 | 81 | 14 | 46 | 139 | 3 | 0 | 0 | 1 | 24 | 8 | 3 | 3.29 |
| SP | Greinke, Z.Greinke, Zack $ >> | 32 | 2015 | R | 94 | 33 | 33 | 7 | 17 | 5.10 | .312 | 1.34 | 8.9 | 3.2 | 6.3 | 206.2 | 203 | 127 | 117 | 27 | 74 | 144 | 6 | 0 | 0 | 1 | 14 | 4 | 9 | 4.44 |
| SP | Leonard, D.Leonard, Dutch $ >> | 22 | 1914 | L | 92 | 32 | 32 | 13 | 12 | 4.35 | .314 | 1.36 | 8.4 | 3.9 | 5.4 | 184.1 | 171 | 99 | 89 | 25 | 80 | 111 | 0 | 0 | 0 | 0 | 15 | 2 | 3 | 4.90 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 31 | 31 | 11 | 12 | 4.43 | .311 | 1.34 | 9.5 | 2.6 | 5.6 | 160.1 | 168 | 81 | 79 | 25 | 47 | 100 | 0 | 0 | 0 | 0 | 10 | 2 | 6 | 4.70 |
| CL | Gagne, E.Gagne, Eric † >> | 27 | 2003 | R | 97 | 57 | 0 | 2 | 5 | 2.09 | .262 | 1.02 | 5.2 | 4.1 | 11.0 | 64.2 | 37 | 17 | 15 | 3 | 29 | 78 | 0 | 28 | 3 | 0 | 0 | 3 | 0 | 2.67 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 84 | 85 | 0 | 5 | 3 | 4.43 | .273 | 1.11 | 7.3 | 2.8 | 9.2 | 103.2 | 83 | 56 | 51 | 17 | 32 | 105 | 0 | 1 | 3 | 0 | 0 | 2 | 5 | 4.10 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 84 | 66 | 0 | 4 | 1 | 4.29 | .315 | 1.38 | 7.7 | 4.8 | 9.5 | 77.2 | 66 | 41 | 37 | 11 | 41 | 81 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | 4.35 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 59 | 0 | 2 | 3 | 4.31 | .333 | 1.48 | 10.0 | 3.5 | 9.4 | 62.2 | 69 | 50 | 30 | 11 | 24 | 65 | 0 | 1 | 1 | 0 | 0 | 1 | 3 | 4.42 |