| SP | Kluber, C.Kluber, Corey >> | 32 | 2018 | R | 88 | 39 | 39 | 20 | 11 | 2.55 | .229 | 0.87 | 6.1 | 1.7 | 10.8 | 286.1 | 195 | 82 | 81 | 25 | 54 | 342 | 7 | 0 | 0 | 3 | 0 | 6 | 1 | 2.37 |
| SP | Carrasco, C.Carrasco, Carlos † >> | 31 | 2018 | R | 80 | 37 | 37 | 19 | 8 | 2.10 | .246 | 0.94 | 6.5 | 1.9 | 11.1 | 257.1 | 187 | 64 | 60 | 19 | 54 | 316 | 2 | 0 | 0 | 1 | 0 | 11 | 7 | 2.26 |
| SP | Bauer, T.Bauer, Trevor † >> | 27 | 2018 | R | 92 | 36 | 36 | 20 | 7 | 2.00 | .240 | 0.92 | 5.7 | 2.6 | 11.3 | 251.2 | 160 | 66 | 56 | 18 | 72 | 315 | 2 | 0 | 0 | 2 | 0 | 7 | 5 | 2.37 |
| SP | Clevinger, M.Clevinger, Mike >> | 27 | 2018 | R | 82 | 34 | 34 | 17 | 8 | 2.30 | .250 | 0.97 | 6.5 | 2.3 | 10.9 | 238.2 | 172 | 61 | 61 | 17 | 60 | 289 | 3 | 0 | 0 | 3 | 0 | 7 | 5 | 2.34 |
| SP | Plutko, A.Plutko, Adam >> | 26 | 2018 | R | 36 | 26 | 26 | 4 | 4 | 2.39 | .273 | 1.11 | 7.5 | 2.5 | 8.9 | 135.2 | 113 | 41 | 36 | 8 | 38 | 134 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 2.67 |
| RP | Belisle, M.Belisle, Matt >> | 38 | 2018 | R | 4 | 102 | 0 | 5 | 8 | 3.46 | .285 | 1.16 | 8.2 | 2.3 | 6.7 | 91.0 | 83 | 40 | 35 | 7 | 23 | 68 | 0 | 8 | 8 | 0 | 0 | 3 | 3 | 3.36 |
| RP | Perez, O.Perez, Oliver >> | 37 | 2018 | L | 98 | 41 | 0 | 0 | 2 | 1.32 | .180 | 0.66 | 4.3 | 1.7 | 9.0 | 27.1 | 13 | 4 | 4 | 3 | 5 | 27 | 0 | 5 | 1 | 0 | 0 | 0 | 1 | 3.00 |
| RP | Cimber, A.Cimber, Adam >> | 27 | 2018 | R | 47 | 54 | 0 | 7 | 4 | 2.72 | .310 | 1.33 | 9.4 | 2.5 | 10.3 | 43.0 | 45 | 17 | 13 | 3 | 12 | 49 | 0 | 8 | 3 | 0 | 0 | 1 | 0 | 2.53 |
| RP | McAllister, Z.McAllister, Zach >> | 30 | 2018 | R | 27 | 36 | 0 | 3 | 3 | 4.01 | .308 | 1.34 | 10.6 | 1.6 | 6.3 | 33.2 | 39 | 15 | 15 | 4 | 6 | 23 | 0 | 5 | 0 | 0 | 0 | 0 | 2 | 3.73 |
| SP | Bieber, S.Bieber, Shane >> | 23 | 2018 | R | 32 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Ramirez, N.Ramirez, Neil >> | 29 | 2018 | R | 55 | 14 | 0 | 1 | 1 | 1.17 | .220 | 0.78 | 4.8 | 2.4 | 13.2 | 15.1 | 8 | 4 | 2 | 0 | 4 | 22 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1.07 |
| RP | Tomlin, J.Tomlin, Josh >> | 33 | 2018 | R | 14 | 16 | 0 | 3 | 1 | 2.96 | .270 | 1.11 | 8.6 | 1.5 | 6.8 | 24.1 | 23 | 8 | 8 | 4 | 4 | 18 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 4.17 |