| Starter | Tm | Tier | Game |
|---|---|---|---|
| Smoky Joe Wood | BOS | 3.18 | 191209250_NYA_BOS |
| Ed Walsh | CHA | 1.74 | 191209241_CHA_BAL |
| George Suggs | CIN | 1.63 | 191209230_CIN_ATL |
| Marty O'Toole | PIT | 1.24 | 191209250_SLN_PIT |
| Rube Geyer | SLN | 0.02 | 191209250_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McConnell | NYA | -1.92 | 191209241_NYA_BOS |
| Elmer Knetzer | LAN | -0.9 | 191209230_SLN_LAN |
| Earl Hamilton | BAL | -0.79 | 191209242_CHA_BAL |
| Eddie Cicotte | CHA | -0.75 | 191209252_CHA_BAL |
| Fred Blanding | CLE | -0.39 | 191209240_CLE_DET |
Based on accumulated WAA for this season up to 1912-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.65 | Walter Johnson | 347.7 | MIN |
| +002+ | 12.49 | Christy Mathewson | 301 | SFN |
| +004+ | 10.48 | Nap Rucker | 277.3 | LAN |
| +005+ | 9.7 | Smoky Joe Wood | 336 | BOS |
| +006+ | 9.19 | Jeff Tesreau | 222.7 | SFN |
| +008+ | 8.43 | Rube Marquard | 284 | SFN |
| +009+ | 8.38 | Art Fromme | 274.7 | CIN |
| +011+ | 7.91 | Rube Benton | 285.7 | CIN |
| +013+ | 7.53 | Claude Hendrix | 276.3 | PIT |
| +014+ | 7.2 | Ed Walsh | 371 | CHA |
| +016+ | 7.09 | Pete Alexander | 294 | PHI |
| +015+ | 7.09 | Larry Cheney | 282 | CHN |
| +017+ | 6.92 | Marty O'Toole | 262.3 | PIT |
| +018+ | 6.8 | Howie Camnitz | 263.3 | PIT |
| +020+ | 6.41 | George Suggs | 280.7 | CIN |
| +023+ | 6.19 | Hank Robinson | 169 | PIT |
| +024+ | 5.99 | Red Ames | 168.7 | SFN |
| +028+ | 5.53 | Eppa Rixey | 148 | PHI |
| +033+ | 4.81 | Jimmy Lavender | 238.3 | CHN |
| +035+ | 4.51 | Eddie Plank | 240.7 | OAK |
| +036+ | 4.46 | Ray Collins | 183.3 | BOS |
| +051+ | 2.86 | Hooks Wiltse | 131.7 | SFN |
| +060+ | 2.45 | Rube Geyer | 178.3 | SLN |
| +068+ | 2.16 | Tom Seaton | 235.3 | PHI |
| +071+ | 2.08 | Hub Perdue | 245.7 | ATL |
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