| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | DET | -2.24 | 191209110_OAK_DET |
| Mack Allison | BAL | -2.06 | 191209120_NYA_BAL |
| George McConnell | NYA | -1.51 | 191209100_NYA_BAL |
| Carl Cashion | MIN | -1.4 | 191209100_MIN_CLE |
| Frank Lange | CHA | -1.11 | 191209120_BOS_CHA |
Based on accumulated WAA for this season up to 1912-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.52 | Walter Johnson | 330.7 | MIN |
| +002+ | 12.27 | Christy Mathewson | 283 | SFN |
| +004+ | 9.37 | Nap Rucker | 259.3 | LAN |
| +005+ | 8.92 | Slim Sallee | 278.7 | SLN |
| +006+ | 8.83 | Rube Marquard | 270.7 | SFN |
| +007+ | 8.72 | Smoky Joe Wood | 311 | BOS |
| +008+ | 8.16 | Claude Hendrix | 269.3 | PIT |
| +009+ | 7.87 | Art Fromme | 254.7 | CIN |
| +010+ | 7.63 | Jeff Tesreau | 195.7 | SFN |
| +013+ | 6.75 | Rube Benton | 267.7 | CIN |
| +015+ | 6.61 | George Suggs | 252.3 | CIN |
| +018+ | 6.01 | Larry Cheney | 256 | CHN |
| +019+ | 5.95 | Pete Alexander | 277 | PHI |
| +020+ | 5.63 | Marty O'Toole | 236.3 | PIT |
| +021+ | 5.5 | Ed Walsh | 344 | CHA |
| +022+ | 5.48 | Lew Richie | 217.7 | CHN |
| +024+ | 5.39 | Red Ames | 159.7 | SFN |
| +027+ | 5.04 | Hank Robinson | 150 | PIT |
| +033+ | 4.32 | Ray Collins | 164.3 | BOS |
| +041+ | 3.23 | Eddie Plank | 222.7 | OAK |
| +043+ | 3.14 | Babe Adams | 152.3 | PIT |
| +052+ | 2.71 | Rube Geyer | 160.3 | SLN |
| +053+ | 2.66 | Hooks Wiltse | 127.7 | SFN |
| +059+ | 2.38 | Hub Perdue | 227.7 | ATL |
| +061+ | 2.3 | Vean Gregg | 233 | CLE |
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