| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 6.15 | 191209051_SFN_PHI |
| Slim Sallee | SLN | 3.21 | 191209040_SLN_CIN |
| Claude Hendrix | PIT | 2.94 | 191209032_CHN_PIT |
| Rube Benton | CIN | 1.81 | 191209040_SLN_CIN |
| Pete Alexander | PHI | 1.61 | 191209052_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Fisher | NYA | -2.91 | 191209052_OAK_NYA |
| Carl Cashion | MIN | -1.3 | 191209050_MIN_BOS |
| Ed Willett | DET | -1.17 | 191209040_DET_CHA |
| Eddie Cicotte | CHA | -1.04 | 191209031_DET_CHA |
| Boardwalk Brown | OAK | -0.82 | 191209051_OAK_NYA |
Based on accumulated WAA for this season up to 1912-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.05 | Walter Johnson | 314.7 | MIN |
| +002+ | 11.74 | Christy Mathewson | 264 | SFN |
| +004+ | 9.4 | Nap Rucker | 242.3 | LAN |
| +005+ | 9.26 | Slim Sallee | 271.7 | SLN |
| +006+ | 8.85 | Rube Marquard | 257.7 | SFN |
| +007+ | 8.64 | Claude Hendrix | 256.7 | PIT |
| +008+ | 7.99 | Smoky Joe Wood | 294 | BOS |
| +010+ | 6.95 | Art Fromme | 236.7 | CIN |
| +012+ | 6.82 | Rube Benton | 255.7 | CIN |
| +014+ | 6.73 | George Suggs | 243.3 | CIN |
| +017+ | 6.15 | Pete Alexander | 268 | PHI |
| +016+ | 6.15 | Marty O'Toole | 236 | PIT |
| +019+ | 5.88 | Larry Cheney | 247 | CHN |
| +020+ | 5.78 | Lew Richie | 206.7 | CHN |
| +022+ | 5.47 | Jeff Tesreau | 168.7 | SFN |
| +023+ | 5.21 | Eppa Rixey | 128.7 | PHI |
| +025+ | 4.99 | Jimmy Lavender | 223.3 | CHN |
| +026+ | 4.84 | Red Ames | 152.7 | SFN |
| +036+ | 3.6 | Ray Collins | 155.3 | BOS |
| +037+ | 3.37 | Hooks Wiltse | 127.7 | SFN |
| +041+ | 3.27 | Eddie Plank | 216.7 | OAK |
| +043+ | 3.26 | Babe Adams | 143.3 | PIT |
| +052+ | 2.58 | Rube Geyer | 146.7 | SLN |
| +055+ | 2.5 | Vean Gregg | 233 | CLE |
| +063+ | 2.17 | Lefty Leifield | 91 | TOT |
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