| SP | Arrieta, J.Arrieta, Jake # $ >> | 29 | 2015 | R | 95 | 29 | 29 | 6 | 18 | 5.47 | .311 | 1.34 | 9.3 | 2.8 | 8.9 | 164.2 | 170 | 102 | 100 | 33 | 51 | 163 | 4 | 0 | 0 | 1 | 14 | 2 | 4 | 4.60 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 84 | 28 | 28 | 8 | 9 | 5.73 | .340 | 1.53 | 10.5 | 3.3 | 8.0 | 136.2 | 159 | 93 | 87 | 26 | 50 | 121 | 0 | 0 | 0 | 0 | 9 | 2 | 5 | 4.85 |
| SP | Schmidt, J.Schmidt, Jason >> | 30 | 2003 | R | 78 | 27 | 27 | 9 | 10 | 4.93 | .335 | 1.47 | 9.3 | 3.9 | 8.6 | 162.1 | 168 | 95 | 89 | 27 | 70 | 154 | 1 | 0 | 0 | 0 | 11 | 7 | 6 | 4.69 |
| RP | Benoit, J.Benoit, Joaquin $ >> | 33 | 2010 | R | 94 | 78 | 0 | 9 | 1 | 2.23 | .252 | 0.98 | 6.4 | 2.4 | 8.5 | 93.0 | 66 | 26 | 23 | 5 | 25 | 88 | 0 | 2 | 1 | 0 | 0 | 3 | 0 | 2.71 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 82 | 34 | 0 | 2 | 2 | 3.06 | .307 | 1.30 | 7.2 | 4.6 | 12.3 | 35.1 | 28 | 12 | 12 | 3 | 18 | 48 | 0 | 3 | 2 | 0 | 0 | 1 | 2 | 3.00 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 74 | 20 | 0 | 4 | 0 | 0.88 | .227 | 0.82 | 6.0 | 1.5 | 9.0 | 30.2 | 20 | 3 | 3 | 1 | 5 | 30 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2.13 |
| RP | Holland, G.Holland, Greg >> | 27 | 2013 | R | 70 | 20 | 0 | 1 | 1 | 4.57 | .337 | 1.52 | 12.0 | 2.1 | 12.9 | 21.2 | 28 | 13 | 11 | 5 | 5 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.95 |
| CL | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 87 | 51 | 0 | 2 | 4 | 2.08 | .210 | 0.80 | 6.1 | 1.1 | 8.8 | 56.1 | 38 | 13 | 13 | 5 | 7 | 55 | 0 | 32 | 3 | 0 | 0 | 0 | 0 | 2.57 |
| SP | Gooden, D.Gooden, Dwight >> | 21 | 1985 | R | 76 | 33 | 1 | 1 | 6 | 3.67 | .291 | 1.22 | 8.5 | 2.6 | 7.5 | 115.1 | 108 | 48 | 47 | 9 | 33 | 96 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 3.23 |