| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 97 | 31 | 31 | 14 | 7 | 4.26 | .310 | 1.32 | 8.5 | 3.4 | 9.7 | 179.2 | 170 | 85 | 85 | 20 | 67 | 193 | 0 | 0 | 0 | 0 | 19 | 5 | 3 | 3.50 |
| SP | Chacin, J.Chacin, Jhoulys >> | 30 | 2018 | R | 78 | 30 | 30 | 7 | 10 | 5.71 | .345 | 1.53 | 9.3 | 4.5 | 7.2 | 157.2 | 162 | 106 | 100 | 31 | 79 | 126 | 0 | 0 | 0 | 0 | 7 | 8 | 3 | 5.62 |
| SP | Rodriguez, D.Rodriguez, Dereck >> | 26 | 2018 | R | 76 | 29 | 29 | 12 | 7 | 4.74 | .318 | 1.38 | 9.3 | 3.1 | 7.7 | 167.0 | 173 | 88 | 88 | 23 | 58 | 143 | 0 | 0 | 0 | 0 | 11 | 3 | 1 | 4.17 |
| SP | Cueto, J.Cueto, Johnny >> | 32 | 2018 | R | 75 | 29 | 29 | 9 | 7 | 4.92 | .322 | 1.38 | 9.8 | 2.7 | 7.0 | 168.1 | 183 | 92 | 92 | 32 | 50 | 131 | 0 | 0 | 0 | 0 | 12 | 7 | 6 | 4.93 |
| SP | Severino, L.Severino, Luis # >> | 24 | 2018 | R | 74 | 29 | 28 | 12 | 8 | 3.99 | .311 | 1.33 | 9.6 | 2.4 | 9.7 | 178.1 | 190 | 82 | 79 | 13 | 47 | 192 | 2 | 0 | 0 | 2 | 16 | 5 | 2 | 2.67 |
| CL | Castillo, J.Castillo, Jose >> | 22 | 2018 | L | 97 | 89 | 0 | 6 | 9 | 3.78 | .308 | 1.32 | 8.0 | 4.0 | 11.7 | 95.1 | 84 | 43 | 40 | 10 | 42 | 124 | 0 | 26 | 6 | 0 | 0 | 1 | 2 | 3.12 |
| RP | Cishek, S.Cishek, Steven >> | 32 | 2018 | R | 87 | 99 | 0 | 5 | 7 | 4.11 | .308 | 1.30 | 7.3 | 4.4 | 11.0 | 114.0 | 92 | 53 | 52 | 12 | 56 | 139 | 0 | 5 | 5 | 0 | 0 | 4 | 3 | 3.51 |
| RP | Moronta, R.Moronta, Reyes >> | 25 | 2018 | R | 84 | 97 | 0 | 3 | 2 | 3.72 | .315 | 1.37 | 7.2 | 5.2 | 10.2 | 101.2 | 81 | 43 | 42 | 10 | 58 | 114 | 0 | 4 | 5 | 0 | 0 | 1 | 6 | 3.78 |