| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 81 | 33 | 33 | 11 | 13 | 3.14 | .286 | 1.18 | 8.4 | 2.3 | 10.4 | 214.2 | 199 | 85 | 75 | 20 | 54 | 247 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 2.73 |
| SP | Gibson, K.Gibson, Kyle >> | 30 | 2018 | R | 56 | 33 | 33 | 12 | 12 | 3.42 | .277 | 1.13 | 7.2 | 3.0 | 8.7 | 221.0 | 176 | 87 | 84 | 29 | 73 | 214 | 1 | 0 | 0 | 0 | 0 | 5 | 1 | 3.83 |
| SP | Odorizzi, J.Odorizzi, Jake >> | 28 | 2018 | R | 50 | 32 | 32 | 12 | 13 | 4.05 | .282 | 1.11 | 7.4 | 2.6 | 9.1 | 180.0 | 148 | 83 | 81 | 31 | 51 | 182 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 4.28 |
| SP | Stewart, K.Stewart, Kohl >> | 23 | 2018 | R | 31 | 32 | 32 | 3 | 11 | 4.08 | .314 | 1.34 | 8.3 | 3.9 | 7.3 | 158.2 | 145 | 77 | 72 | 11 | 68 | 128 | 0 | 0 | 0 | 0 | 0 | 5 | 9 | 3.67 |
| SP | Romero, F.Romero, Fernando >> | 23 | 2018 | R | 21 | 32 | 32 | 14 | 7 | 3.40 | .302 | 1.28 | 8.7 | 2.9 | 7.9 | 180.0 | 174 | 71 | 68 | 15 | 57 | 157 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | 3.34 |
| CL | Rogers, T.Rogers, Taylor >> | 27 | 2018 | L | 87 | 68 | 0 | 4 | 9 | 3.18 | .274 | 1.10 | 6.8 | 3.2 | 9.1 | 70.2 | 53 | 26 | 25 | 13 | 25 | 71 | 0 | 40 | 5 | 0 | 0 | 2 | 0 | 4.54 |
| RP | Drake, O.Drake, Oliver >> | 31 | 2018 | R | 68 | 90 | 0 | 6 | 6 | 3.48 | .254 | 1.01 | 6.5 | 2.7 | 11.0 | 113.2 | 81 | 45 | 44 | 12 | 34 | 138 | 0 | 1 | 8 | 0 | 0 | 1 | 4 | 2.87 |
| RP | Moya, G.Moya, Gabriel # >> | 23 | 2018 | L | 40 | 58 | 0 | 6 | 3 | 5.49 | .309 | 1.29 | 9.2 | 2.4 | 8.7 | 59.0 | 60 | 39 | 36 | 12 | 16 | 57 | 0 | 2 | 3 | 0 | 0 | 3 | 1 | 4.68 |
| RP | Duffey, T.Duffey, Tyler >> | 27 | 2018 | R | 46 | 61 | 0 | 5 | 4 | 2.36 | .293 | 1.19 | 8.4 | 2.4 | 9.6 | 76.1 | 71 | 21 | 20 | 6 | 20 | 81 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 2.84 |
| RP | Hildenberger, T.Hildenberger, Trevor >> | 27 | 2018 | R | 38 | 33 | 0 | 1 | 4 | 2.52 | .272 | 1.09 | 6.7 | 3.3 | 7.7 | 35.2 | 26 | 10 | 10 | 4 | 13 | 30 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 3.97 |
| RP | Magill, M.Magill, Matt >> | 28 | 2018 | R | 32 | 27 | 0 | 1 | 0 | 1.64 | .290 | 1.23 | 7.3 | 3.8 | 7.6 | 38.1 | 31 | 9 | 7 | 3 | 16 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.61 |