| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 20 | 20 | 4 | 9 | 4.64 | .303 | 1.29 | 9.5 | 2.2 | 7.9 | 135.2 | 142 | 75 | 70 | 17 | 33 | 118 | 1 | 0 | 0 | 0 | 10 | 2 | 0 | 3.67 |
| SP | Johnson, R.Johnson, Randy >> | 41 | 2004 | L | 83 | 19 | 19 | 10 | 5 | 4.03 | .307 | 1.30 | 9.2 | 2.5 | 8.2 | 131.2 | 134 | 60 | 59 | 13 | 37 | 120 | 2 | 0 | 0 | 0 | 11 | 4 | 4 | 3.40 |
| CL | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 42 | 0 | 2 | 5 | 4.57 | .291 | 1.21 | 7.5 | 3.5 | 8.1 | 41.1 | 34 | 21 | 21 | 5 | 16 | 37 | 0 | 22 | 2 | 0 | 0 | 1 | 1 | 4.02 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 78 | 28 | 0 | 1 | 3 | 3.34 | .294 | 1.25 | 6.8 | 4.7 | 6.8 | 29.2 | 22 | 11 | 11 | 2 | 15 | 22 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 3.93 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 18 | 0 | 0 | 1 | 5.31 | .358 | 1.67 | 9.0 | 6.3 | 6.3 | 20.1 | 20 | 12 | 12 | 2 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.00 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 78 | 1 | 1 | 0 | 1 | 4.50 | .273 | 1.13 | 5.6 | 4.5 | 3.4 | 8.0 | 5 | 4 | 4 | 0 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3.75 |