| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -4.6 | 191209182_NYA_DET |
| Boardwalk Brown | OAK | -3.01 | 191209182_OAK_CHA |
| George Kahler | CLE | -2.02 | 191209200_NYA_CLE |
| Mack Allison | BAL | -1.76 | 191209181_MIN_BAL |
| Frank Lange | CHA | -1.23 | 191209181_OAK_CHA |
Based on accumulated WAA for this season up to 1912-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.46 | Walter Johnson | 338.7 | MIN |
| +002+ | 12.49 | Christy Mathewson | 301 | SFN |
| +004+ | 9.65 | Nap Rucker | 268.3 | LAN |
| +005+ | 8.95 | Slim Sallee | 286.7 | SLN |
| +006+ | 8.86 | Smoky Joe Wood | 327 | BOS |
| +007+ | 8.79 | Art Fromme | 272.7 | CIN |
| +008+ | 8.43 | Rube Marquard | 284 | SFN |
| +009+ | 8.38 | Jeff Tesreau | 213.7 | SFN |
| +010+ | 7.87 | Rube Benton | 285.7 | CIN |
| +012+ | 7.51 | Claude Hendrix | 276.3 | PIT |
| +014+ | 7.09 | Pete Alexander | 294 | PHI |
| +015+ | 6.96 | Larry Cheney | 274 | CHN |
| +016+ | 6.95 | Ed Walsh | 362 | CHA |
| +017+ | 6.84 | George Suggs | 274.3 | CIN |
| +019+ | 6.48 | Howie Camnitz | 255.3 | PIT |
| +022+ | 6.17 | Hank Robinson | 169 | PIT |
| +023+ | 6.1 | Marty O'Toole | 253.3 | PIT |
| +024+ | 5.99 | Red Ames | 168.7 | SFN |
| +029+ | 5.13 | Eppa Rixey | 139 | PHI |
| +030+ | 4.89 | Jimmy Lavender | 230.3 | CHN |
| +035+ | 4.47 | Ray Collins | 174.3 | BOS |
| +036+ | 4.06 | Eddie Plank | 231.7 | OAK |
| +047+ | 3.16 | Vean Gregg | 253 | CLE |
| +052+ | 2.86 | Hooks Wiltse | 131.7 | SFN |
| +069+ | 2.08 | Hub Perdue | 245.7 | ATL |
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