| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 96 | 23 | 23 | 10 | 8 | 4.28 | .309 | 1.33 | 8.4 | 3.6 | 10.9 | 157.2 | 147 | 75 | 75 | 22 | 62 | 190 | 0 | 0 | 0 | 0 | 13 | 3 | 2 | 3.64 |
| SP | Buchholz, C.Buchholz, Clay # >> | 29 | 2013 | R | 81 | 23 | 23 | 7 | 12 | 3.89 | .293 | 1.23 | 8.1 | 3.0 | 7.0 | 155.0 | 139 | 74 | 67 | 16 | 51 | 121 | 4 | 0 | 0 | 0 | 12 | 3 | 2 | 3.83 |
| SP | Iwakuma, H.Iwakuma, Hisashi >> | 32 | 2013 | R | 64 | 22 | 22 | 7 | 7 | 4.97 | .312 | 1.31 | 9.1 | 2.7 | 7.2 | 145.0 | 147 | 85 | 80 | 24 | 43 | 116 | 1 | 0 | 0 | 1 | 9 | 7 | 5 | 4.59 |
| SP | Dickey, R.Dickey, R.A. >> | 38 | 2012 | R | 54 | 21 | 21 | 8 | 8 | 4.64 | .312 | 1.34 | 8.9 | 3.2 | 7.5 | 139.2 | 138 | 81 | 72 | 25 | 49 | 116 | 2 | 0 | 0 | 1 | 9 | 3 | 3 | 4.79 |
| RP | Chapman, A.Chapman, Aroldis † >> | 24 | 2012 | L | 93 | 59 | 0 | 6 | 3 | 4.07 | .299 | 1.25 | 7.5 | 3.8 | 12.8 | 66.1 | 55 | 30 | 30 | 11 | 28 | 94 | 0 | 6 | 2 | 0 | 0 | 2 | 1 | 3.68 |
| RP | Frieri, E.Frieri, Ernesto >> | 26 | 2012 | R | 68 | 52 | 0 | 3 | 0 | 3.00 | .290 | 1.21 | 7.0 | 4.0 | 11.0 | 66.0 | 51 | 22 | 22 | 3 | 29 | 81 | 0 | 3 | 2 | 0 | 0 | 1 | 0 | 2.50 |
| RP | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 48 | 39 | 0 | 4 | 0 | 4.24 | .317 | 1.39 | 8.4 | 4.3 | 10.8 | 46.2 | 43 | 24 | 22 | 4 | 22 | 55 | 0 | 3 | 1 | 0 | 0 | 0 | 4 | 3.17 |
| RP | Melancon, M.Melancon, Mark # >> | 30 | 2015 | R | 36 | 37 | 0 | 2 | 6 | 6.02 | .353 | 1.54 | 10.4 | 3.6 | 8.6 | 40.1 | 46 | 31 | 27 | 5 | 16 | 38 | 0 | 5 | 3 | 0 | 0 | 4 | 3 | 4.23 |
| RP | Rondon, H.Rondon, Hector >> | 27 | 2015 | R | 25 | 33 | 0 | 2 | 3 | 4.50 | .302 | 1.30 | 9.2 | 2.5 | 6.5 | 40.0 | 41 | 24 | 20 | 9 | 11 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.30 |
| SP | Kennedy, I.Kennedy, Ian >> | 27 | 2011 | R | 45 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 35 | 2 | 0 | 0 | 0 | 2.25 | .368 | 1.75 | 11.3 | 4.5 | 13.5 | 4.0 | 5 | 1 | 1 | 0 | 2 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.50 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 46 | 21 | 0 | 1 | 4 | 6.03 | .425 | 2.18 | 15.1 | 4.8 | 11.4 | 34.1 | 57 | 25 | 23 | 5 | 18 | 43 | 0 | 2 | 2 | 0 | 0 | 1 | 1 | 4.06 |