| SP | Arrieta, J.Arrieta, Jake † | Cubs | R | 123.0 | 19 | 19 | 14 | 2 | 2.43 | .281 | 1.16 | 8.6 | 1.9 | 8.8 | 144.2 | 137 | 46 | 39 | 11 | 31 | 140 | 5 | 0 | 0 | 0 | 15 | 2 | 1 | 2.74 |
| SP | Chamberlain, E.Chamberlain, Elton † | Cardinals | R | 110.0 | 20 | 20 | 13 | 6 | 2.83 | .277 | 1.14 | 6.4 | 3.8 | 5.4 | 162.1 | 116 | 59 | 51 | 10 | 69 | 98 | 9 | 0 | 0 | 1 | 14 | 2 | 0 | 3.91 |
| SP | Flaherty, J.Flaherty, Jack † | Cardinals | R | 101.0 | 19 | 19 | 12 | 1 | 2.66 | .258 | 1.03 | 6.8 | 2.5 | 9.1 | 128.2 | 96 | 39 | 38 | 7 | 36 | 130 | 0 | 0 | 0 | 0 | 16 | 2 | 3 | 2.57 |
| SP | Richard, J.Richard, J.R. # | Astr6s | R | 80.0 | 18 | 18 | 10 | 4 | 3.12 | .278 | 1.14 | 6.6 | 3.6 | 7.1 | 130.0 | 96 | 48 | 45 | 10 | 52 | 103 | 3 | 0 | 0 | 0 | 14 | 2 | 2 | 3.66 |
| SP | Verlander, J.Verlander, Justin | Astr6s | R | 76.0 | 19 | 19 | 11 | 4 | 3.67 | .277 | 1.14 | 7.7 | 2.6 | 8.1 | 125.0 | 107 | 52 | 51 | 19 | 36 | 112 | 1 | 0 | 0 | 1 | 12 | 1 | 3 | 4.07 |
| RP | Gossage, R.Gossage, Rich † | YaNGks 1007 WAR | R | 76.0 | 51 | 0 | 8 | 0 | 1.99 | .261 | 1.06 | 6.1 | 3.4 | 10.1 | 63.1 | 43 | 16 | 14 | 4 | 24 | 71 | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 2.71 |