| SP | Hendricks, K.Hendricks, Kyle # >> | 28 | 2018 | R | 68 | 33 | 33 | 11 | 12 | 4.31 | .300 | 1.25 | 8.7 | 2.6 | 8.7 | 213.0 | 206 | 113 | 102 | 36 | 61 | 206 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 4.22 |
| SP | Hamels, C.Hamels, Cole >> | 35 | 2018 | L | 62 | 33 | 33 | 15 | 14 | 3.86 | .302 | 1.27 | 8.7 | 2.8 | 8.9 | 212.1 | 204 | 101 | 91 | 33 | 65 | 209 | 2 | 0 | 0 | 2 | 0 | 7 | 5 | 4.07 |
| SP | Quintana, J.Quintana, Jose # >> | 29 | 2018 | L | 50 | 32 | 32 | 7 | 13 | 4.85 | .322 | 1.41 | 9.1 | 3.6 | 9.0 | 176.1 | 178 | 96 | 95 | 18 | 71 | 176 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 3.57 |
| SP | Darvish, Y.Darvish, Yu >> | 31 | 2018 | R | 48 | 32 | 32 | 9 | 10 | 3.38 | .297 | 1.25 | 7.1 | 4.1 | 10.5 | 165.0 | 131 | 75 | 62 | 22 | 75 | 192 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3.82 |
| RP | Morrow, B.Morrow, Brandon >> | 34 | 2018 | R | 74 | 104 | 0 | 11 | 4 | 2.30 | .249 | 0.96 | 5.9 | 2.8 | 9.3 | 113.1 | 74 | 35 | 29 | 9 | 35 | 117 | 0 | 0 | 6 | 0 | 0 | 4 | 4 | 3.00 |
| RP | Wilson, J.Wilson, Justin >> | 30 | 2018 | L | 52 | 110 | 0 | 2 | 1 | 3.45 | .287 | 1.19 | 7.3 | 3.5 | 11.2 | 70.1 | 57 | 32 | 27 | 7 | 27 | 87 | 0 | 5 | 0 | 0 | 0 | 1 | 4 | 3.01 |
| RP | Edwards, C.Edwards, Carl >> | 26 | 2018 | R | 69 | 70 | 0 | 6 | 3 | 3.23 | .303 | 1.29 | 7.8 | 3.8 | 12.1 | 61.1 | 53 | 22 | 22 | 10 | 26 | 82 | 0 | 14 | 5 | 0 | 0 | 1 | 2 | 3.77 |
| RP | Cishek, S.Cishek, Steven >> | 32 | 2018 | R | 87 | 30 | 0 | 5 | 2 | 1.72 | .257 | 1.04 | 6.3 | 3.3 | 10.5 | 36.2 | 25 | 8 | 7 | 2 | 13 | 42 | 0 | 7 | 2 | 0 | 0 | 0 | 1 | 2.47 |
| RP | De La Rosa, J.De La Rosa, Jorge >> | 37 | 2018 | L | 40 | 92 | 0 | 1 | 3 | 5.56 | .335 | 1.49 | 9.3 | 4.1 | 9.0 | 55.0 | 57 | 40 | 34 | 12 | 25 | 55 | 0 | 3 | 4 | 0 | 0 | 1 | 1 | 5.25 |
| RP | Chavez, J.Chavez, Jesse >> | 35 | 2018 | R | 69 | 37 | 0 | 2 | 3 | 3.96 | .283 | 1.13 | 7.6 | 2.6 | 8.1 | 52.1 | 44 | 25 | 23 | 10 | 15 | 47 | 0 | 4 | 1 | 0 | 0 | 3 | 2 | 4.73 |