| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ralph Works | DET | -3.57 | 191208160_DET_NYA |
| Russ Ford | NYA | -2.68 | 191208142_DET_NYA |
| Carl Cashion | MIN | -1.91 | 191208150_CHA_MIN |
| Eddie Cicotte | CHA | -1.7 | 191208140_CHA_MIN |
| Earl Hamilton | BAL | -1.14 | 191208160_BAL_BOS |
Based on accumulated WAA for this season up to 1912-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.38 | Walter Johnson | 275.3 | MIN |
| +002+ | 9.8 | Christy Mathewson | 216.7 | SFN |
| +003+ | 8.59 | Nap Rucker | 212.7 | LAN |
| +005+ | 8.43 | Rube Marquard | 217.7 | SFN |
| +006+ | 8.34 | Claude Hendrix | 230.7 | PIT |
| +007+ | 7.59 | Marty O'Toole | 213.3 | PIT |
| +008+ | 7.59 | Slim Sallee | 227.7 | SLN |
| +009+ | 6.68 | Smoky Joe Wood | 256 | BOS |
| +011+ | 6.17 | Pete Alexander | 231 | PHI |
| +012+ | 6.1 | Rube Benton | 216 | CIN |
| +014+ | 5.8 | Ed Walsh | 290 | CHA |
| +017+ | 4.82 | Lew Richie | 174.7 | CHN |
| +018+ | 4.77 | Art Fromme | 199.7 | CIN |
| +019+ | 4.76 | Jimmy Lavender | 176.3 | CHN |
| +020+ | 4.62 | George Suggs | 207 | CIN |
| +021+ | 4.43 | Jeff Tesreau | 134.7 | SFN |
| +027+ | 3.78 | Larry Cheney | 202 | CHN |
| +030+ | 3.66 | Howie Camnitz | 195.7 | PIT |
| +033+ | 3.52 | Red Ames | 131.7 | SFN |
| +035+ | 3.48 | Eddie Plank | 182.7 | OAK |
| +036+ | 3.32 | Hank Robinson | 118.7 | PIT |
| +037+ | 3.22 | Lefty Leifield | 82.7 | TOT |
| +042+ | 2.92 | Jean Dubuc | 211.7 | DET |
| +043+ | 2.91 | Rube Geyer | 116.7 | SLN |
| +044+ | 2.9 | Hooks Wiltse | 109.3 | SFN |
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