| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 90 | 19 | 19 | 8 | 7 | 3.86 | .301 | 1.28 | 8.5 | 3.1 | 9.6 | 109.2 | 103 | 49 | 47 | 12 | 37 | 116 | 0 | 0 | 0 | 0 | 7 | 2 | 3 | 3.38 |
| SP | Giolito, L.Giolito, Lucas >> | 24 | 2019 | R | 72 | 18 | 18 | 3 | 8 | 5.76 | .360 | 1.66 | 9.6 | 5.4 | 11.1 | 89.0 | 95 | 62 | 57 | 15 | 53 | 110 | 0 | 0 | 0 | 0 | 8 | 2 | 2 | 4.57 |
| SP | Iwakuma, H.Iwakuma, Hisashi # >> | 32 | 2013 | R | 64 | 17 | 17 | 6 | 7 | 5.84 | .347 | 1.55 | 10.5 | 3.6 | 8.2 | 98.2 | 114 | 69 | 64 | 20 | 39 | 89 | 0 | 0 | 0 | 0 | 7 | 4 | 1 | 5.15 |
| SP | Porcello, R.Porcello, Rick >> | 27 | 2016 | R | 56 | 18 | 17 | 6 | 5 | 4.65 | .314 | 1.35 | 10.3 | 1.9 | 6.4 | 112.1 | 128 | 61 | 58 | 13 | 24 | 80 | 0 | 0 | 0 | 0 | 7 | 2 | 2 | 3.78 |
| SU | Robertson, D.Robertson, David >> | 32 | 2017 | R | 86 | 38 | 0 | 5 | 3 | 2.80 | .237 | 0.91 | 4.4 | 3.8 | 9.0 | 45.0 | 22 | 17 | 14 | 3 | 19 | 45 | 0 | 6 | 3 | 0 | 0 | 1 | 4 | 3.20 |
| RP | Ottavino, A.Ottavino, Adam >> | 32 | 2018 | R | 61 | 42 | 0 | 4 | 2 | 3.91 | .341 | 1.51 | 6.8 | 6.9 | 10.7 | 48.1 | 36 | 24 | 21 | 3 | 37 | 57 | 0 | 1 | 2 | 0 | 0 | 2 | 4 | 3.88 |
| RP | Leclerc, J.Leclerc, Jose >> | 24 | 2018 | R | 89 | 24 | 0 | 0 | 0 | 0.89 | .248 | 0.92 | 4.8 | 3.6 | 9.9 | 30.1 | 16 | 5 | 3 | 1 | 12 | 33 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 2.63 |