| SP | Leonard, D.Leonard, Dutch | Heroes | L | 158.0 | 31 | 31 | 18 | 4 | 2.60 | .254 | 1.00 | 5.9 | 3.2 | 6.2 | 225.1 | 147 | 68 | 65 | 11 | 79 | 156 | 2 | 0 | 0 | 1 | 25 | 4 | 6 | 3.36 |
| SP | Richard, J.Richard, J.R. † | Express | R | 151.0 | 30 | 30 | 17 | 7 | 2.32 | .287 | 1.17 | 6.9 | 3.6 | 8.5 | 213.0 | 164 | 70 | 55 | 11 | 85 | 201 | 1 | 0 | 0 | 0 | 25 | 8 | 2 | 3.09 |
| CL | Gossage, R.Gossage, Rich † | Pigs | R | 129.0 | 90 | 0 | 4 | 5 | 2.88 | .274 | 1.13 | 6.2 | 4.0 | 7.9 | 109.1 | 75 | 37 | 35 | 9 | 48 | 96 | 0 | 36 | 4 | 0 | 0 | 1 | 2 | 3.66 |
| SP | Greinke, Z.Greinke, Zack # | Red Wings | R | 124.0 | 30 | 30 | 14 | 9 | 3.13 | .275 | 1.12 | 7.6 | 2.4 | 5.9 | 233.0 | 198 | 101 | 81 | 20 | 63 | 153 | 10 | 0 | 0 | 2 | 18 | 4 | 4 | 3.67 |
| SP | Chesbro, J.Chesbro, Jack # | Spiders | R | 111.0 | 30 | 30 | 16 | 11 | 4.09 | .303 | 1.29 | 8.6 | 3.0 | 4.6 | 246.1 | 236 | 115 | 112 | 28 | 81 | 127 | 16 | 0 | 0 | 3 | 13 | 5 | 1 | 4.50 |
| SP | Johnson, W.Johnson, Walter † | Tigers | R | 111.0 | 31 | 31 | 14 | 10 | 3.37 | .273 | 1.09 | 7.9 | 1.9 | 6.1 | 224.1 | 197 | 95 | 84 | 24 | 48 | 152 | 7 | 0 | 0 | 2 | 17 | 8 | 4 | 3.79 |