| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 96 | 21 | 21 | 8 | 9 | 5.17 | .306 | 1.29 | 9.4 | 2.2 | 10.8 | 130.2 | 136 | 81 | 75 | 32 | 32 | 156 | 2 | 0 | 0 | 0 | 8 | 5 | 1 | 4.65 |
| SP | Cueto, J.Cueto, Johnny # >> | 28 | 2014 | R | 89 | 20 | 20 | 12 | 3 | 3.29 | .270 | 1.08 | 7.5 | 2.3 | 9.3 | 136.2 | 113 | 54 | 50 | 16 | 35 | 140 | 6 | 0 | 0 | 2 | 12 | 4 | 3 | 3.33 |
| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 81 | 18 | 18 | 4 | 6 | 6.12 | .360 | 1.63 | 9.4 | 5.3 | 6.5 | 97.0 | 101 | 68 | 66 | 13 | 57 | 70 | 1 | 0 | 0 | 0 | 7 | 6 | 2 | 5.25 |
| SP | Beckett, J.Beckett, Josh >> | 31 | 2011 | R | 77 | 19 | 19 | 7 | 7 | 4.44 | .316 | 1.38 | 9.1 | 3.4 | 7.3 | 115.2 | 116 | 57 | 57 | 20 | 44 | 93 | 2 | 0 | 0 | 2 | 10 | 0 | 3 | 4.79 |
| RP | Leclerc, J.Leclerc, Jose >> | 24 | 2018 | R | 88 | 43 | 0 | 2 | 2 | 2.51 | .306 | 1.30 | 5.9 | 5.9 | 11.9 | 43.0 | 28 | 13 | 12 | 6 | 28 | 57 | 0 | 2 | 3 | 0 | 0 | 1 | 2 | 4.19 |
| RP | Robertson, D.Robertson, David >> | 32 | 2017 | R | 85 | 21 | 0 | 4 | 2 | 4.15 | .304 | 1.27 | 6.9 | 4.5 | 11.4 | 26.0 | 20 | 12 | 12 | 5 | 13 | 33 | 0 | 4 | 0 | 0 | 0 | 1 | 1 | 4.58 |
| RP | Parker, B.Parker, Blake >> | 32 | 2017 | R | 80 | 21 | 0 | 2 | 1 | 5.96 | .364 | 1.63 | 11.0 | 4.1 | 10.6 | 22.2 | 27 | 15 | 15 | 1 | 10 | 26 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | 2.86 |
| RP | Thornburg, T.Thornburg, Tyler >> | 27 | 2016 | R | 66 | 22 | 0 | 1 | 1 | 3.86 | .369 | 1.71 | 7.8 | 7.8 | 11.3 | 23.1 | 20 | 12 | 10 | 5 | 20 | 29 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 6.04 |
| SP | Severino, L.Severino, Luis >> | 23 | 2017 | R | 74 | 18 | 1 | 4 | 2 | 5.79 | .322 | 1.37 | 7.7 | 4.7 | 11.3 | 79.1 | 68 | 51 | 51 | 14 | 41 | 99 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 4.51 |
| SP | Tanaka, M.Tanaka, Masahiro >> | 26 | 2015 | R | 70 | 6 | 0 | 1 | 3 | 8.36 | .400 | 2.00 | 12.2 | 5.8 | 7.7 | 14.0 | 19 | 13 | 13 | 4 | 9 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6.93 |