| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 92 | 32 | 32 | 11 | 10 | 4.50 | .297 | 1.24 | 8.4 | 2.8 | 7.3 | 184.0 | 171 | 96 | 92 | 21 | 57 | 150 | 1 | 0 | 0 | 1 | 20 | 5 | 4 | 3.86 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 31 | 31 | 4 | 15 | 4.51 | .306 | 1.30 | 9.4 | 2.4 | 5.1 | 149.2 | 155 | 85 | 75 | 22 | 40 | 84 | 0 | 0 | 0 | 0 | 9 | 3 | 3 | 4.66 |
| SP | Richard, J.Richard, J.R. # >> | 30 | 1980 | R | 90 | 31 | 31 | 12 | 11 | 5.43 | .336 | 1.49 | 8.4 | 5.0 | 7.6 | 169.0 | 157 | 105 | 102 | 16 | 94 | 143 | 0 | 0 | 0 | 0 | 14 | 6 | 4 | 4.31 |
| SP | Marichal, J.Marichal, Juan # >> | 29 | 1966 | R | 77 | 30 | 30 | 9 | 11 | 5.71 | .322 | 1.42 | 10.4 | 2.4 | 5.7 | 162.1 | 187 | 116 | 103 | 30 | 44 | 102 | 9 | 0 | 0 | 3 | 11 | 0 | 1 | 4.96 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 96 | 73 | 0 | 3 | 5 | 3.75 | .281 | 1.16 | 6.7 | 3.9 | 8.4 | 100.2 | 74 | 43 | 42 | 11 | 43 | 93 | 0 | 3 | 6 | 0 | 0 | 1 | 2 | 3.89 |
| RP | Benoit, J.Benoit, Joaquin >> | 33 | 2010 | R | 95 | 74 | 0 | 2 | 3 | 2.79 | .258 | 1.05 | 6.8 | 2.6 | 8.7 | 103.1 | 78 | 32 | 32 | 10 | 30 | 100 | 0 | 7 | 3 | 0 | 0 | 0 | 2 | 3.19 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 84 | 50 | 0 | 4 | 4 | 4.88 | .311 | 1.34 | 7.8 | 4.4 | 10.0 | 62.2 | 54 | 35 | 34 | 9 | 30 | 69 | 0 | 3 | 5 | 0 | 0 | 1 | 1 | 4.16 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 40 | 0 | 1 | 2 | 3.09 | .300 | 1.24 | 7.2 | 4.1 | 8.6 | 46.2 | 37 | 20 | 16 | 2 | 21 | 44 | 0 | 1 | 1 | 0 | 0 | 2 | 3 | 3.15 |
| SP | Reulbach, E.Reulbach, Ed >> | 24 | 1906 | R | 60 | 24 | 0 | 1 | 2 | 4.70 | .345 | 1.55 | 7.4 | 6.7 | 6.0 | 82.1 | 67 | 43 | 43 | 12 | 61 | 55 | 0 | 3 | 0 | 0 | 0 | 2 | 3 | 5.87 |