| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 95 | 13 | 13 | 4 | 7 | 4.17 | .330 | 1.45 | 9.8 | 3.3 | 10.1 | 82.0 | 89 | 39 | 38 | 6 | 30 | 92 | 0 | 0 | 0 | 0 | 7 | 2 | 3 | 2.88 |
| SP | Foltynewicz, M.Foltynewicz, Michael >> | 26 | 2018 | R | 66 | 14 | 12 | 5 | 3 | 5.13 | .363 | 1.70 | 10.6 | 4.8 | 8.7 | 66.2 | 78 | 38 | 38 | 6 | 35 | 64 | 0 | 0 | 1 | 0 | 7 | 1 | 1 | 3.88 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 54 | 12 | 12 | 5 | 0 | 3.99 | .318 | 1.39 | 10.2 | 2.3 | 9.1 | 70.0 | 79 | 34 | 31 | 8 | 18 | 71 | 0 | 0 | 0 | 0 | 8 | 1 | 6 | 3.27 |
| CL | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 98 | 32 | 0 | 1 | 3 | 3.32 | .240 | 0.95 | 6.4 | 2.1 | 9.5 | 38.0 | 27 | 15 | 14 | 5 | 9 | 40 | 0 | 14 | 1 | 0 | 0 | 0 | 1 | 3.32 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 87 | 39 | 0 | 2 | 1 | 4.35 | .272 | 1.10 | 7.1 | 3.0 | 12.2 | 51.2 | 40 | 25 | 25 | 5 | 17 | 69 | 0 | 2 | 4 | 0 | 0 | 1 | 5 | 2.63 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 72 | 40 | 0 | 1 | 2 | 5.96 | .358 | 1.68 | 10.2 | 5.0 | 10.6 | 45.1 | 51 | 30 | 30 | 6 | 25 | 53 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 4.04 |