| SP | deGrom, J.deGrom, Jacob >> | 30 | 2018 | R | 93 | 36 | 36 | 10 | 20 | 5.67 | .336 | 1.47 | 9.7 | 3.5 | 10.0 | 192.0 | 207 | 123 | 121 | 29 | 75 | 213 | 1 | 0 | 0 | 0 | 14 | 9 | 3 | 4.06 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 90 | 35 | 34 | 10 | 12 | 4.90 | .328 | 1.44 | 9.4 | 3.6 | 10.3 | 172.2 | 180 | 100 | 94 | 33 | 69 | 196 | 0 | 0 | 0 | 0 | 14 | 4 | 10 | 4.49 |
| SP | Beckett, J.Beckett, Josh # >> | 31 | 2011 | R | 77 | 33 | 33 | 14 | 12 | 4.68 | .305 | 1.27 | 8.5 | 2.9 | 7.6 | 196.0 | 185 | 103 | 102 | 32 | 64 | 165 | 0 | 0 | 0 | 0 | 17 | 9 | 1 | 4.56 |
| SP | Shields, J.Shields, James # >> | 30 | 2011 | R | 63 | 31 | 31 | 12 | 12 | 4.81 | .305 | 1.30 | 9.4 | 2.3 | 7.7 | 196.2 | 204 | 105 | 105 | 34 | 51 | 167 | 5 | 0 | 0 | 1 | 14 | 4 | 2 | 4.39 |
| RP | Sanchez, A.Sanchez, Aaron † >> | 21 | 2014 | R | 91 | 98 | 0 | 9 | 3 | 3.42 | .294 | 1.22 | 7.4 | 3.7 | 5.8 | 144.2 | 118 | 58 | 55 | 13 | 59 | 93 | 0 | 10 | 6 | 0 | 0 | 4 | 3 | 4.19 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 88 | 85 | 0 | 8 | 1 | 3.49 | .289 | 1.19 | 6.6 | 4.2 | 10.5 | 105.2 | 77 | 41 | 41 | 13 | 49 | 123 | 0 | 10 | 4 | 0 | 0 | 3 | 6 | 3.75 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 79 | 71 | 0 | 3 | 4 | 5.45 | .324 | 1.42 | 9.6 | 3.3 | 8.8 | 79.1 | 84 | 50 | 48 | 18 | 29 | 77 | 0 | 7 | 2 | 0 | 0 | 1 | 3 | 5.15 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 55 | 0 | 3 | 5 | 4.43 | .305 | 1.30 | 7.9 | 3.9 | 9.9 | 63.0 | 55 | 32 | 31 | 10 | 27 | 69 | 0 | 6 | 1 | 0 | 0 | 1 | 3 | 4.21 |
| RP | Soriano, R.Soriano, Rafael >> | 31 | 2010 | R | 80 | 40 | 0 | 2 | 2 | 4.64 | .316 | 1.36 | 8.6 | 3.9 | 6.4 | 42.2 | 40 | 23 | 22 | 7 | 18 | 30 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 5.10 |
| RP | Feliz, N.Feliz, Neftali >> | 22 | 2010 | R | 65 | 32 | 0 | 0 | 0 | 4.66 | .299 | 1.20 | 9.3 | 1.8 | 10.0 | 36.2 | 37 | 19 | 19 | 9 | 7 | 40 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 4.86 |
| RP | Osuna, R.Osuna, Roberto >> | 22 | 2017 | R | 63 | 39 | 0 | 0 | 0 | 3.77 | .310 | 1.32 | 8.6 | 3.4 | 8.6 | 45.1 | 43 | 20 | 19 | 7 | 17 | 43 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4.31 |