| SP | Richard, J.Richard, J.R. † $ | Classics | R | 99.0 | 19 | 19 | 14 | 2 | 3.43 | .298 | 1.21 | 7.1 | 3.8 | 7.6 | 131.1 | 103 | 51 | 50 | 12 | 56 | 111 | 2 | 0 | 0 | 0 | 15 | 8 | 4 | 3.96 |
| SP | Kluber, C.Kluber, Corey † | ILLEGALS | R | 91.0 | 19 | 19 | 13 | 4 | 3.69 | .289 | 1.21 | 8.5 | 2.5 | 8.5 | 136.2 | 128 | 63 | 56 | 22 | 38 | 128 | 5 | 0 | 0 | 0 | 13 | 1 | 0 | 4.08 |
| SP | Johnson, W.Johnson, Walter † $$ | Gators | R | 90.0 | 20 | 20 | 9 | 7 | 1.99 | .254 | 1.01 | 7.5 | 1.6 | 4.2 | 149.0 | 124 | 39 | 33 | 11 | 26 | 69 | 5 | 0 | 0 | 0 | 15 | 2 | 1 | 3.60 |
| SP | Arrieta, J.Arrieta, Jake † | Classics | R | 88.0 | 20 | 20 | 12 | 5 | 3.33 | .283 | 1.15 | 7.8 | 2.5 | 8.5 | 146.0 | 127 | 57 | 54 | 10 | 41 | 138 | 0 | 0 | 0 | 0 | 15 | 5 | 3 | 2.95 |
| CL | Wagner, B.Wagner, Billy † | Retirees | L | 79.5 | 45 | 0 | 3 | 2 | 4.17 | .320 | 1.39 | 8.6 | 4.0 | 7.6 | 45.1 | 43 | 24 | 21 | 5 | 20 | 38 | 0 | 25 | 1 | 0 | 0 | 1 | 0 | 4.16 |
| SP | Martinez, P.Martinez, Pedro # | ILLEGALS | R | 77.0 | 20 | 20 | 11 | 7 | 3.83 | .282 | 1.16 | 8.2 | 2.3 | 9.5 | 143.1 | 130 | 63 | 61 | 13 | 36 | 151 | 5 | 0 | 0 | 1 | 12 | 3 | 2 | 2.89 |
| SP | Mathewson, C.Mathewson, Christy | Classics | R | 71.0 | 18 | 18 | 10 | 5 | 3.40 | .288 | 1.20 | 9.3 | 1.5 | 4.9 | 129.2 | 134 | 51 | 49 | 8 | 21 | 70 | 3 | 0 | 0 | 1 | 11 | 2 | 1 | 3.26 |
| SP | Leonard, D.Leonard, Dutch | Privateers | L | 71.0 | 19 | 19 | 9 | 7 | 2.65 | .271 | 1.09 | 6.5 | 3.4 | 5.5 | 125.2 | 90 | 39 | 37 | 8 | 47 | 76 | 2 | 0 | 0 | 0 | 15 | 3 | 1 | 3.82 |
| CL | Kimbrel, C.Kimbrel, Craig † | ILLEGALS | R | 71.0 | 35 | 0 | 2 | 3 | 2.37 | .274 | 1.13 | 5.9 | 4.3 | 8.5 | 38.0 | 25 | 10 | 10 | 4 | 18 | 36 | 0 | 22 | 2 | 0 | 0 | 0 | 2 | 3.89 |