| SP | Kluber, C.Kluber, Corey † # >> | 31 | 2017 | R | 96 | 27 | 27 | 12 | 11 | 4.41 | .294 | 1.23 | 8.8 | 2.3 | 11.3 | 191.2 | 187 | 95 | 94 | 38 | 48 | 240 | 4 | 0 | 0 | 1 | 14 | 5 | 3 | 3.91 |
| SP | Buchholz, C.Buchholz, Clay # >> | 29 | 2013 | R | 81 | 26 | 26 | 5 | 12 | 5.87 | .351 | 1.57 | 10.0 | 4.1 | 6.8 | 167.0 | 186 | 115 | 109 | 29 | 77 | 127 | 3 | 0 | 0 | 1 | 11 | 8 | 3 | 5.26 |
| RP | Green, C.Green, Chad † >> | 26 | 2017 | R | 97 | 67 | 0 | 8 | 4 | 3.38 | .295 | 1.21 | 7.1 | 3.8 | 11.0 | 120.0 | 94 | 46 | 45 | 9 | 51 | 146 | 0 | 8 | 0 | 0 | 0 | 6 | 6 | 2.97 |
| RP | Petit, Y.Petit, Yusmeiro >> | 35 | 2019 | R | 71 | 60 | 0 | 2 | 3 | 4.02 | .313 | 1.34 | 8.9 | 3.3 | 8.1 | 71.2 | 70 | 32 | 32 | 10 | 26 | 64 | 0 | 4 | 3 | 0 | 0 | 2 | 1 | 4.21 |
| RP | Hendriks, L.Hendriks, Liam >> | 30 | 2019 | R | 39 | 45 | 0 | 4 | 4 | 5.48 | .340 | 1.50 | 9.4 | 4.1 | 11.2 | 46.0 | 48 | 31 | 28 | 9 | 21 | 57 | 0 | 4 | 1 | 0 | 0 | 2 | 3 | 4.57 |
| RP | Rodriguez, F.Rodriguez, Francisco >> | 32 | 2014 | R | 29 | 38 | 0 | 2 | 0 | 6.35 | .330 | 1.48 | 10.2 | 3.2 | 9.2 | 45.1 | 51 | 34 | 32 | 14 | 16 | 46 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 6.07 |
| SP | Johnson, J.Johnson, Josh >> | 26 | 2010 | R | 39 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Kennedy, I.Kennedy, Ian >> | 27 | 2011 | R | 45 | 16 | 0 | 1 | 0 | 5.63 | .390 | 1.83 | 12.8 | 3.8 | 6.8 | 24.0 | 34 | 15 | 15 | 4 | 10 | 18 | 0 | 3 | 0 | 0 | 0 | 2 | 2 | 5.17 |