| SP | deGrom, J.deGrom, Jacob >> | 30 | 2018 | R | 99 | 32 | 32 | 14 | 12 | 4.15 | .325 | 1.40 | 8.9 | 3.8 | 10.7 | 197.1 | 194 | 93 | 91 | 16 | 83 | 235 | 0 | 0 | 0 | 0 | 20 | 8 | 1 | 3.06 |
| SP | Berrios, J.Berrios, Jose >> | 24 | 2018 | R | 82 | 31 | 31 | 14 | 11 | 4.90 | .322 | 1.41 | 9.8 | 2.9 | 9.1 | 178.1 | 194 | 97 | 97 | 28 | 57 | 179 | 0 | 0 | 0 | 0 | 12 | 3 | 0 | 4.04 |
| SP | Manaea, S.Manaea, Sean >> | 26 | 2018 | L | 77 | 31 | 31 | 13 | 12 | 4.47 | .317 | 1.38 | 9.5 | 2.9 | 8.0 | 185.1 | 196 | 103 | 92 | 28 | 59 | 165 | 0 | 0 | 0 | 0 | 16 | 3 | 10 | 4.19 |
| SP | Eovaldi, N.Eovaldi, Nathan >> | 28 | 2018 | R | 71 | 31 | 29 | 11 | 5 | 4.32 | .305 | 1.26 | 9.3 | 2.1 | 7.2 | 162.2 | 167 | 79 | 78 | 17 | 38 | 130 | 0 | 0 | 0 | 0 | 11 | 9 | 6 | 3.63 |
| CL | McHugh, C.McHugh, Collin >> | 31 | 2018 | R | 96 | 77 | 0 | 3 | 8 | 3.23 | .283 | 1.17 | 6.8 | 3.8 | 10.7 | 83.2 | 63 | 33 | 30 | 9 | 35 | 99 | 0 | 34 | 8 | 0 | 0 | 1 | 0 | 3.33 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 30 | 2018 | R | 91 | 87 | 0 | 9 | 6 | 5.92 | .340 | 1.52 | 8.8 | 4.9 | 10.3 | 106.1 | 104 | 74 | 70 | 14 | 58 | 121 | 0 | 0 | 3 | 0 | 0 | 2 | 9 | 4.13 |
| RP | Alvarado, J.Alvarado, Jose >> | 23 | 2018 | L | 80 | 83 | 0 | 2 | 5 | 4.47 | .349 | 1.60 | 8.6 | 5.9 | 10.8 | 90.2 | 86 | 45 | 45 | 13 | 59 | 108 | 0 | 6 | 3 | 0 | 0 | 1 | 2 | 4.48 |
| RP | Watson, T.Watson, Tony >> | 33 | 2018 | L | 75 | 75 | 0 | 3 | 5 | 4.59 | .316 | 1.35 | 9.5 | 2.6 | 10.1 | 82.1 | 87 | 42 | 42 | 8 | 24 | 92 | 0 | 6 | 2 | 0 | 0 | 3 | 0 | 3.01 |