| SP | deGrom, J.deGrom, Jacob † >> | 30 | 2018 | R | 99 | 21 | 21 | 9 | 7 | 4.06 | .285 | 1.17 | 7.9 | 2.6 | 11.0 | 142.0 | 125 | 65 | 64 | 15 | 41 | 174 | 3 | 0 | 0 | 1 | 13 | 4 | 2 | 2.87 |
| SP | Morton, C.Morton, Charlie >> | 35 | 2018 | R | 86 | 20 | 20 | 4 | 8 | 4.88 | .357 | 1.62 | 10.3 | 4.3 | 9.7 | 110.2 | 126 | 62 | 60 | 11 | 53 | 118 | 0 | 0 | 0 | 0 | 7 | 5 | 5 | 3.74 |
| SP | Clevinger, M.Clevinger, Mike >> | 27 | 2018 | R | 81 | 20 | 20 | 9 | 6 | 5.18 | .334 | 1.50 | 10.1 | 3.4 | 9.0 | 116.1 | 130 | 68 | 67 | 23 | 44 | 116 | 1 | 0 | 0 | 1 | 11 | 1 | 0 | 4.74 |
| SP | Cueto, J.Cueto, Johnny >> | 32 | 2018 | R | 75 | 20 | 20 | 7 | 3 | 4.55 | .302 | 1.28 | 8.5 | 3.1 | 7.2 | 114.2 | 108 | 60 | 58 | 23 | 39 | 91 | 1 | 0 | 0 | 1 | 7 | 2 | 1 | 5.11 |
| SP | Cashner, A.Cashner, Andrew >> | 31 | 2018 | R | 2 | 18 | 17 | 5 | 9 | 8.52 | .389 | 1.87 | 11.9 | 4.9 | 8.3 | 75.0 | 99 | 73 | 71 | 22 | 41 | 69 | 0 | 0 | 0 | 0 | 4 | 3 | 3 | 6.73 |
| RP | Ottavino, A.Ottavino, Adam >> | 32 | 2018 | R | 94 | 63 | 0 | 2 | 3 | 4.26 | .321 | 1.42 | 7.3 | 5.6 | 10.9 | 63.1 | 51 | 30 | 30 | 5 | 39 | 76 | 0 | 2 | 1 | 0 | 0 | 0 | 4 | 3.48 |
| RP | Rogers, T.Rogers, Taylor >> | 27 | 2018 | L | 90 | 66 | 0 | 3 | 0 | 3.50 | .314 | 1.33 | 10.0 | 2.0 | 10.2 | 54.0 | 60 | 21 | 21 | 5 | 12 | 61 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 2.72 |
| RP | Alvarado, J.Alvarado, Jose >> | 23 | 2018 | L | 80 | 55 | 0 | 2 | 2 | 2.55 | .264 | 1.05 | 5.5 | 4.0 | 9.4 | 49.1 | 30 | 15 | 14 | 5 | 22 | 51 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 3.65 |
| RP | Peacock, B.Peacock, Brad >> | 30 | 2018 | R | 65 | 49 | 0 | 1 | 5 | 4.14 | .318 | 1.34 | 9.5 | 2.7 | 12.3 | 54.1 | 57 | 25 | 25 | 7 | 16 | 74 | 0 | 6 | 2 | 0 | 0 | 3 | 3 | 3.00 |
| SP | Hendricks, K.Hendricks, Kyle >> | 28 | 2018 | R | 69 | 3 | 2 | 0 | 1 | 8.10 | .452 | 2.48 | 18.0 | 4.8 | 6.9 | 13.1 | 26 | 12 | 12 | 5 | 7 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.08 |