| SP | Kluber, C.Kluber, Corey † >> | 31 | 2017 | R | 96 | 24 | 24 | 11 | 11 | 3.97 | .292 | 1.20 | 7.9 | 2.8 | 11.3 | 177.0 | 156 | 80 | 78 | 26 | 56 | 222 | 3 | 0 | 0 | 1 | 13 | 7 | 0 | 3.47 |
| SP | Beckett, J.Beckett, Josh >> | 31 | 2011 | R | 77 | 24 | 24 | 7 | 8 | 5.23 | .326 | 1.43 | 9.3 | 3.6 | 8.2 | 158.1 | 163 | 93 | 92 | 25 | 64 | 144 | 0 | 0 | 0 | 0 | 7 | 3 | 3 | 4.51 |
| SP | Iwakuma, H.Iwakuma, Hisashi >> | 32 | 2013 | R | 64 | 24 | 24 | 7 | 13 | 6.09 | .349 | 1.59 | 11.0 | 3.4 | 6.8 | 150.2 | 184 | 107 | 102 | 30 | 56 | 114 | 1 | 0 | 0 | 1 | 9 | 2 | 6 | 5.24 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 82 | 0 | 4 | 2 | 3.84 | .262 | 1.05 | 6.8 | 2.7 | 11.6 | 79.2 | 60 | 37 | 34 | 12 | 24 | 102 | 0 | 3 | 2 | 0 | 0 | 1 | 3 | 3.34 |
| RP | Robertson, D.Robertson, David >> | 32 | 2017 | R | 86 | 81 | 0 | 3 | 5 | 3.75 | .312 | 1.33 | 8.1 | 3.9 | 10.0 | 72.0 | 65 | 30 | 30 | 7 | 31 | 80 | 0 | 8 | 1 | 0 | 0 | 2 | 2 | 3.42 |
| RP | Soriano, R.Soriano, Rafael >> | 31 | 2010 | R | 79 | 50 | 0 | 1 | 2 | 7.16 | .359 | 1.64 | 11.0 | 3.7 | 8.8 | 44.0 | 54 | 36 | 35 | 12 | 18 | 43 | 0 | 8 | 3 | 0 | 0 | 2 | 0 | 5.95 |
| RP | Petit, Y.Petit, Yusmeiro >> | 35 | 2019 | R | 70 | 31 | 0 | 2 | 1 | 5.63 | .309 | 1.28 | 8.4 | 3.1 | 8.4 | 32.0 | 30 | 20 | 20 | 7 | 11 | 30 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 5.19 |