| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 26 | 26 | 8 | 11 | 4.07 | .299 | 1.27 | 8.3 | 3.1 | 6.7 | 177.0 | 163 | 85 | 80 | 24 | 61 | 131 | 4 | 0 | 0 | 1 | 14 | 2 | 3 | 4.35 |
| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 25 | 25 | 10 | 10 | 3.52 | .295 | 1.24 | 6.8 | 4.4 | 8.9 | 166.1 | 126 | 73 | 65 | 9 | 81 | 164 | 0 | 0 | 0 | 0 | 16 | 2 | 5 | 3.23 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 89 | 25 | 25 | 5 | 15 | 5.48 | .330 | 1.46 | 10.3 | 2.9 | 7.2 | 154.1 | 176 | 100 | 94 | 28 | 49 | 124 | 1 | 0 | 0 | 0 | 11 | 3 | 4 | 4.77 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 84 | 24 | 24 | 2 | 12 | 5.98 | .339 | 1.52 | 10.2 | 3.5 | 4.3 | 120.1 | 136 | 86 | 80 | 19 | 47 | 57 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 5.33 |
| CL | Benoit, J.Benoit, Joaquin >> | 33 | 2010 | R | 95 | 40 | 0 | 2 | 6 | 2.74 | .262 | 1.04 | 5.9 | 3.5 | 7.8 | 46.0 | 30 | 15 | 14 | 4 | 18 | 40 | 0 | 21 | 4 | 0 | 0 | 1 | 2 | 3.63 |
| SU | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 45 | 0 | 0 | 3 | 2.36 | .304 | 1.25 | 6.4 | 5.0 | 6.2 | 49.2 | 35 | 14 | 13 | 3 | 27 | 34 | 0 | 4 | 2 | 0 | 0 | 3 | 2 | 4.24 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 51 | 0 | 2 | 2 | 3.43 | .308 | 1.29 | 8.3 | 3.3 | 7.7 | 63.0 | 58 | 27 | 24 | 6 | 23 | 54 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 3.76 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 76 | 41 | 0 | 2 | 1 | 3.51 | .277 | 1.15 | 8.4 | 2.1 | 6.6 | 48.2 | 45 | 22 | 19 | 7 | 11 | 35 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.13 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 74 | 28 | 0 | 1 | 1 | 5.33 | .341 | 1.56 | 8.3 | 5.7 | 11.7 | 27.0 | 25 | 18 | 16 | 3 | 17 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.74 |
| RP | Wilhelm, H.Wilhelm, Hoyt >> | 43 | 1965 | R | 69 | 31 | 0 | 1 | 3 | 2.08 | .246 | 0.98 | 5.9 | 2.9 | 5.4 | 52.0 | 34 | 12 | 12 | 1 | 17 | 31 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 3.04 |
| SP | Clemens, R.Clemens, Roger >> | 24 | 1986 | R | 69 | 4 | 0 | 0 | 1 | 16.88 | .556 | 3.75 | 31.5 | 13.5 | 9.0 | 2.2 | 7 | 5 | 5 | 1 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.00 |