| SP | Martinez, P.Martinez, Pedro † >> | 29 | 2000 | R | 100 | 34 | 34 | 18 | 8 | 3.37 | .262 | 1.03 | 7.1 | 2.3 | 7.4 | 240.1 | 188 | 92 | 90 | 27 | 60 | 198 | 7 | 0 | 0 | 3 | 20 | 8 | 1 | 3.66 |
| SP | Fernandez, S.Fernandez, Sid † >> | 23 | 1985 | L | 49 | 34 | 34 | 17 | 8 | 3.70 | .298 | 1.26 | 7.4 | 3.9 | 7.2 | 216.2 | 178 | 90 | 89 | 26 | 94 | 172 | 2 | 0 | 0 | 0 | 22 | 4 | 5 | 4.33 |
| SP | Kluber, C.Kluber, Corey # >> | 31 | 2017 | R | 90 | 33 | 33 | 13 | 10 | 4.21 | .261 | 1.03 | 7.5 | 1.8 | 8.6 | 205.1 | 171 | 99 | 96 | 41 | 41 | 195 | 3 | 0 | 0 | 1 | 17 | 5 | 6 | 4.37 |
| SP | Lundgren, C.Lundgren, Carl >> | 27 | 1907 | R | 43 | 31 | 31 | 10 | 12 | 4.18 | .310 | 1.31 | 7.6 | 4.2 | 4.8 | 215.1 | 182 | 104 | 100 | 17 | 101 | 114 | 3 | 0 | 0 | 0 | 20 | 7 | 6 | 4.47 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 85 | 0 | 4 | 7 | 2.85 | .245 | 0.92 | 5.9 | 2.4 | 8.1 | 91.2 | 60 | 31 | 29 | 7 | 24 | 82 | 0 | 47 | 6 | 0 | 0 | 5 | 3 | 3.15 |
| RP | Miller, A.Miller, Andrew >> | 31 | 2016 | L | 92 | 84 | 0 | 2 | 3 | 3.88 | .263 | 1.05 | 7.9 | 1.6 | 10.3 | 102.0 | 89 | 45 | 44 | 13 | 18 | 117 | 0 | 0 | 3 | 0 | 0 | 2 | 1 | 2.95 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 83 | 53 | 0 | 4 | 3 | 5.03 | .306 | 1.31 | 7.5 | 4.4 | 8.0 | 62.2 | 52 | 35 | 35 | 13 | 30 | 55 | 0 | 5 | 4 | 0 | 0 | 1 | 2 | 5.45 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 40 | 0 | 5 | 3 | 5.21 | .303 | 1.26 | 8.3 | 3.2 | 9.0 | 48.1 | 44 | 30 | 28 | 6 | 17 | 48 | 0 | 2 | 1 | 0 | 0 | 2 | 3 | 3.81 |