| SP | Corbin, P.Corbin, Patrick # >> | 28 | 2018 | L | 90 | 13 | 13 | 6 | 1 | 4.69 | .311 | 1.30 | 9.1 | 2.7 | 11.3 | 80.2 | 81 | 42 | 42 | 11 | 24 | 100 | 0 | 0 | 0 | 0 | 8 | 4 | 2 | 3.34 |
| SP | Greinke, Z.Greinke, Zack >> | 35 | 2017 | R | 80 | 12 | 12 | 1 | 7 | 6.59 | .351 | 1.60 | 12.3 | 2.1 | 8.7 | 68.1 | 93 | 50 | 50 | 13 | 16 | 66 | 0 | 0 | 0 | 0 | 4 | 2 | 6 | 4.34 |
| SP | Buchholz, C.Buchholz, Clay >> | 34 | 2018 | R | 81 | 12 | 12 | 4 | 5 | 5.97 | .328 | 1.44 | 10.5 | 2.5 | 8.4 | 72.1 | 84 | 49 | 48 | 14 | 20 | 67 | 1 | 0 | 0 | 1 | 4 | 2 | 1 | 4.58 |
| SP | Godley, Z.Godley, Zack >> | 28 | 2017 | R | 75 | 12 | 12 | 3 | 6 | 4.43 | .316 | 1.39 | 8.6 | 3.9 | 9.9 | 67.0 | 64 | 36 | 33 | 11 | 29 | 74 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 4.22 |
| RP | Hirano, Y.Hirano, Yoshihisa >> | 34 | 2018 | R | 72 | 36 | 0 | 3 | 0 | 4.46 | .352 | 1.60 | 10.6 | 4.0 | 9.5 | 34.1 | 40 | 19 | 17 | 2 | 15 | 36 | 0 | 2 | 1 | 0 | 0 | 1 | 3 | 3.06 |
| RP | Hernandez, D.Hernandez, David >> | 33 | 2017 | R | 71 | 33 | 0 | 3 | 2 | 2.96 | .311 | 1.35 | 8.7 | 3.7 | 9.7 | 27.1 | 26 | 9 | 9 | 2 | 11 | 29 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.04 |
| RP | McFarland, T.McFarland, T.J. >> | 29 | 2018 | L | 59 | 37 | 0 | 0 | 0 | 6.67 | .357 | 1.63 | 12.7 | 2.0 | 8.0 | 27.0 | 38 | 20 | 20 | 6 | 6 | 24 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 4.89 |
| RP | Delgado, R.Delgado, Randall >> | 28 | 2017 | R | 58 | 23 | 0 | 3 | 0 | 2.34 | .252 | 0.95 | 7.1 | 1.6 | 10.9 | 34.2 | 27 | 9 | 9 | 1 | 6 | 41 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1.68 |
| RP | Rodney, F.Rodney, Fernando >> | 41 | 2017 | R | 47 | 15 | 0 | 2 | 0 | 3.06 | .274 | 1.08 | 6.4 | 3.7 | 10.6 | 17.2 | 12 | 6 | 6 | 3 | 7 | 20 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 4.35 |
| SP | Walker, T.Walker, Taijuan >> | 25 | 2017 | R | 48 | 11 | 0 | 1 | 1 | 6.94 | .370 | 1.73 | 11.3 | 4.5 | 8.3 | 36.1 | 45 | 28 | 28 | 6 | 18 | 33 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.92 |
| CL | Bradley, A.Bradley, Archie >> | 25 | 2017 | R | 92 | 27 | 0 | 0 | 7 | 6.35 | .336 | 1.52 | 10.0 | 3.9 | 9.6 | 28.1 | 31 | 20 | 20 | 3 | 12 | 30 | 0 | 12 | 5 | 0 | 0 | 0 | 0 | 3.54 |