| SP | Arrieta, J.Arrieta, Jake $$ >> | 29 | 2015 | R | 95 | 27 | 27 | 9 | 12 | 3.79 | .296 | 1.26 | 8.1 | 3.2 | 9.3 | 192.1 | 173 | 84 | 81 | 15 | 69 | 198 | 4 | 0 | 0 | 3 | 17 | 1 | 2 | 3.05 |
| SP | Beckett, J.Beckett, Josh # >> | 31 | 2011 | R | 77 | 27 | 26 | 7 | 10 | 6.06 | .338 | 1.49 | 10.6 | 2.8 | 7.0 | 117.1 | 138 | 79 | 79 | 21 | 37 | 91 | 0 | 0 | 0 | 0 | 8 | 5 | 4 | 4.85 |
| SP | Freeland, K.Freeland, Kyle # >> | 25 | 2018 | L | 5 | 28 | 26 | 8 | 6 | 4.31 | .313 | 1.30 | 8.9 | 2.9 | 7.5 | 125.1 | 123 | 62 | 60 | 17 | 40 | 104 | 0 | 1 | 0 | 0 | 7 | 8 | 0 | 4.26 |
| SP | Romero, R.Romero, Ricky >> | 26 | 2011 | L | 38 | 4 | 3 | 1 | 3 | 9.69 | .418 | 2.00 | 11.8 | 6.2 | 11.1 | 13.0 | 17 | 14 | 14 | 6 | 9 | 16 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 9.08 |
| RP | Leclerc, J.Leclerc, Jose >> | 24 | 2018 | R | 88 | 71 | 0 | 4 | 2 | 3.43 | .300 | 1.25 | 6.4 | 4.9 | 10.6 | 94.1 | 67 | 37 | 36 | 7 | 51 | 111 | 0 | 2 | 4 | 0 | 0 | 3 | 1 | 3.33 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 76 | 65 | 0 | 5 | 8 | 2.80 | .300 | 1.23 | 6.6 | 4.6 | 8.2 | 70.2 | 51 | 22 | 22 | 9 | 36 | 64 | 0 | 16 | 4 | 0 | 0 | 4 | 4 | 4.56 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 77 | 75 | 0 | 10 | 5 | 4.46 | .292 | 1.21 | 7.4 | 3.5 | 8.7 | 101.0 | 83 | 52 | 50 | 9 | 39 | 98 | 0 | 3 | 3 | 0 | 0 | 3 | 2 | 3.47 |
| RP | Kelley, S.Kelley, Shawn >> | 32 | 2016 | R | 59 | 71 | 0 | 3 | 0 | 2.69 | .241 | 0.95 | 6.0 | 2.6 | 9.9 | 87.0 | 58 | 30 | 26 | 7 | 25 | 96 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 2.70 |
| RP | Betancourt, R.Betancourt, Rafael >> | 36 | 2011 | R | 51 | 58 | 0 | 3 | 2 | 3.38 | .288 | 1.18 | 8.7 | 2.0 | 8.1 | 69.1 | 67 | 28 | 26 | 14 | 15 | 62 | 0 | 2 | 3 | 0 | 0 | 2 | 1 | 4.58 |
| SP | Carrasco, C.Carrasco, Carlos >> | 27 | 2014 | R | 83 | 25 | 24 | 1 | 4 | 3.99 | .302 | 1.29 | 7.5 | 4.2 | 9.1 | 94.2 | 78 | 43 | 42 | 9 | 44 | 95 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3.66 |
| CL | Benoit, J.Benoit, Joaquin >> | 33 | 2010 | R | 95 | 78 | 0 | 11 | 1 | 3.48 | .258 | 1.02 | 7.1 | 2.1 | 10.3 | 111.1 | 88 | 43 | 43 | 17 | 26 | 127 | 0 | 4 | 2 | 0 | 0 | 2 | 3 | 3.46 |