| CL | Rivera, M.Rivera, Mariano † | Hens | R | 145.5 | 91 | 0 | 5 | 8 | 2.77 | .274 | 1.13 | 7.9 | 2.3 | 11.1 | 97.1 | 85 | 32 | 30 | 12 | 25 | 120 | 0 | 43 | 4 | 0 | 0 | 0 | 0 | 2.91 |
| RP | Hudson, B.Hudson, Bryan † | Rockhoppers | L | 134.5 | 97 | 0 | 11 | 2 | 2.49 | .288 | 1.20 | 6.8 | 4.1 | 7.3 | 162.1 | 122 | 45 | 45 | 16 | 73 | 131 | 0 | 13 | 4 | 0 | 0 | 2 | 4 | 4.06 |
| SP | Keuchel, D.Keuchel, Dallas † # | Donkeys | L | 124.0 | 38 | 37 | 19 | 13 | 4.05 | .298 | 1.26 | 8.0 | 3.3 | 7.4 | 255.2 | 228 | 120 | 115 | 39 | 94 | 210 | 8 | 0 | 0 | 4 | 21 | 4 | 7 | 4.49 |
| SP | Harvey, M.Harvey, Matt # $$ | Tractors | R | 121.0 | 38 | 38 | 18 | 10 | 4.31 | .308 | 1.30 | 9.2 | 2.5 | 9.5 | 263.0 | 269 | 132 | 126 | 27 | 74 | 277 | 5 | 0 | 0 | 3 | 21 | 8 | 3 | 3.16 |
| SP | Peralta, F.Peralta, Freddy $$ | Tractors | R | 121.0 | 39 | 39 | 16 | 10 | 3.25 | .274 | 1.10 | 6.4 | 3.6 | 9.7 | 218.2 | 154 | 79 | 79 | 21 | 87 | 236 | 0 | 0 | 0 | 0 | 18 | 7 | 2 | 3.38 |
| CL | Marmol, C.Marmol, Carlos † | Stompers | R | 117.0 | 70 | 0 | 7 | 9 | 4.22 | .308 | 1.32 | 6.6 | 5.4 | 11.4 | 70.1 | 51 | 34 | 33 | 6 | 42 | 89 | 0 | 38 | 7 | 0 | 0 | 1 | 2 | 3.41 |
| SP | Cole, G.Cole, Gerrit † # $$ | Rockhoppers | R | 112.0 | 37 | 37 | 17 | 13 | 3.95 | .287 | 1.18 | 7.3 | 3.3 | 10.2 | 241.1 | 196 | 111 | 106 | 31 | 88 | 272 | 2 | 0 | 0 | 2 | 23 | 7 | 3 | 3.60 |