| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.55 | 191209022_OAK_MIN |
| Christy Mathewson | SFN | 5.71 | 191209022_SFN_ATL |
| Nap Rucker | LAN | 4.16 | 191209022_LAN_PHI |
| Claude Hendrix | PIT | 2.94 | 191209032_CHN_PIT |
| Smoky Joe Wood | BOS | 2.68 | 191209022_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -3.89 | 191209021_BOS_NYA |
| King Cole | PIT | -2.73 | 191209012_PIT_CIN |
| George Kahler | CLE | -1.35 | 191209021_BAL_CLE |
| Eddie Cicotte | CHA | -1.04 | 191209031_DET_CHA |
| Ed Willett | DET | -0.91 | 191209010_DET_CHA |
Based on accumulated WAA for this season up to 1912-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.03 | Walter Johnson | 314.7 | MIN |
| +002+ | 10.91 | Christy Mathewson | 255 | SFN |
| +003+ | 9.51 | Nap Rucker | 242.3 | LAN |
| +005+ | 8.83 | Rube Marquard | 250.7 | SFN |
| +006+ | 8.65 | Claude Hendrix | 256.7 | PIT |
| +007+ | 8.45 | Slim Sallee | 262.7 | SLN |
| +008+ | 8.01 | Smoky Joe Wood | 294 | BOS |
| +010+ | 6.97 | Art Fromme | 236.7 | CIN |
| +012+ | 6.75 | George Suggs | 243.3 | CIN |
| +016+ | 6.18 | Pete Alexander | 259 | PHI |
| +017+ | 6 | Ed Walsh | 335 | CHA |
| +018+ | 5.88 | Larry Cheney | 247 | CHN |
| +019+ | 5.83 | Marty O'Toole | 230 | PIT |
| +020+ | 5.78 | Lew Richie | 206.7 | CHN |
| +021+ | 5.5 | Howie Camnitz | 233.3 | PIT |
| +023+ | 5.22 | Jimmy Lavender | 214.3 | CHN |
| +022+ | 5.22 | Eppa Rixey | 128.7 | PHI |
| +024+ | 4.85 | Jeff Tesreau | 159.7 | SFN |
| +036+ | 3.37 | Hooks Wiltse | 127.7 | SFN |
| +038+ | 3.26 | Babe Adams | 143.3 | PIT |
| +041+ | 3.21 | Ray Collins | 146.3 | BOS |
| +043+ | 3.08 | Eddie Plank | 210.7 | OAK |
| +057+ | 2.5 | Rube Geyer | 145.7 | SLN |
| +058+ | 2.49 | Vean Gregg | 233 | CLE |
| +061+ | 2.36 | Earl Moore | 159 | PHI |
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