| SP | Corbin, P.Corbin, Patrick >> | 28 | 2018 | L | 94 | 18 | 18 | 4 | 8 | 3.98 | .287 | 1.20 | 8.2 | 2.6 | 10.3 | 115.1 | 105 | 56 | 51 | 15 | 33 | 131 | 0 | 0 | 0 | 0 | 11 | 1 | 4 | 3.30 |
| SP | Eovaldi, N.Eovaldi, Nathan >> | 28 | 2018 | R | 71 | 17 | 17 | 5 | 6 | 5.44 | .323 | 1.41 | 10.2 | 2.5 | 6.0 | 86.0 | 97 | 53 | 52 | 19 | 24 | 57 | 0 | 0 | 0 | 0 | 5 | 2 | 3 | 5.45 |
| SP | Strasburg, S.Strasburg, Stephen # >> | 29 | 2018 | R | 67 | 17 | 17 | 5 | 9 | 4.94 | .299 | 1.27 | 8.7 | 2.7 | 11.3 | 105.2 | 102 | 59 | 58 | 19 | 32 | 132 | 0 | 0 | 0 | 0 | 9 | 1 | 1 | 3.78 |
| SP | Richards, G.Richards, Garrett >> | 30 | 2018 | R | 62 | 17 | 17 | 5 | 4 | 4.45 | .299 | 1.28 | 6.8 | 4.8 | 10.3 | 85.0 | 64 | 44 | 42 | 6 | 45 | 97 | 0 | 0 | 0 | 0 | 4 | 0 | 6 | 3.22 |
| SP | Castillo, L.Castillo, Luis >> | 25 | 2018 | R | 58 | 17 | 17 | 3 | 7 | 6.28 | .375 | 1.74 | 11.7 | 4.1 | 8.6 | 81.2 | 105 | 59 | 57 | 12 | 37 | 77 | 0 | 0 | 0 | 0 | 2 | 5 | 2 | 4.58 |
| RP | Osuna, R.Osuna, Roberto >> | 23 | 2018 | R | 72 | 45 | 0 | 0 | 1 | 3.15 | .254 | 1.01 | 7.3 | 1.8 | 6.9 | 65.2 | 53 | 23 | 23 | 7 | 13 | 50 | 0 | 4 | 1 | 0 | 0 | 1 | 0 | 3.51 |
| RP | Bradley, A.Bradley, Archie >> | 25 | 2018 | R | 58 | 46 | 0 | 2 | 5 | 3.02 | .269 | 0.99 | 7.6 | 1.4 | 8.7 | 59.2 | 50 | 20 | 20 | 6 | 9 | 57 | 0 | 7 | 1 | 0 | 0 | 7 | 0 | 3.20 |
| RP | Hudson, D.Hudson, Daniel >> | 31 | 2018 | R | 50 | 43 | 0 | 4 | 3 | 3.71 | .295 | 1.22 | 7.4 | 3.5 | 7.8 | 51.0 | 42 | 21 | 21 | 7 | 20 | 44 | 0 | 4 | 0 | 0 | 0 | 2 | 1 | 4.35 |
| RP | Axford, J.Axford, John >> | 35 | 2018 | R | 42 | 33 | 0 | 3 | 2 | 3.18 | .292 | 1.18 | 7.4 | 3.5 | 7.8 | 39.2 | 32 | 14 | 14 | 2 | 15 | 34 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 3.23 |
| SP | Rodriguez, E.Rodriguez, Eduardo >> | 25 | 2018 | L | 58 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Lopez, R.Lopez, Reynaldo >> | 24 | 2018 | R | 50 | 12 | 0 | 2 | 1 | 1.59 | .215 | 0.82 | 4.2 | 3.2 | 7.9 | 17.0 | 8 | 3 | 3 | 1 | 6 | 15 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 3.06 |