| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.87 | 191209060_MIN_BOS |
| Christy Mathewson | SFN | 6.15 | 191209051_SFN_PHI |
| Slim Sallee | SLN | 3.21 | 191209040_SLN_CIN |
| Smoky Joe Wood | BOS | 2.89 | 191209060_MIN_BOS |
| Art Fromme | CIN | 2.02 | 191209060_CHN_CIN |
| 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 |
| Boardwalk Brown | OAK | -0.82 | 191209051_OAK_NYA |
| Earl Hamilton | BAL | -0.7 | 191209060_BAL_DET |
Based on accumulated WAA for this season up to 1912-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.51 | Walter Johnson | 322.7 | MIN |
| +002+ | 11.43 | Christy Mathewson | 266 | SFN |
| +004+ | 9.33 | Nap Rucker | 242.3 | LAN |
| +005+ | 9.18 | Slim Sallee | 271.7 | SLN |
| +006+ | 8.73 | Smoky Joe Wood | 303 | BOS |
| +007+ | 8.58 | Claude Hendrix | 256.7 | PIT |
| +008+ | 8.51 | Rube Marquard | 261.7 | SFN |
| +010+ | 7.08 | Art Fromme | 245.7 | CIN |
| +012+ | 6.74 | Rube Benton | 255.7 | CIN |
| +014+ | 6.66 | George Suggs | 243.3 | CIN |
| +016+ | 6.25 | Jeff Tesreau | 177.7 | SFN |
| +017+ | 6.09 | Marty O'Toole | 236 | PIT |
| +018+ | 6.07 | Pete Alexander | 268 | PHI |
| +019+ | 5.91 | Lew Richie | 215.7 | CHN |
| +021+ | 5.82 | Larry Cheney | 247 | CHN |
| +023+ | 5.3 | Eppa Rixey | 134.7 | PHI |
| +025+ | 4.93 | Jimmy Lavender | 223.3 | CHN |
| +027+ | 4.79 | Red Ames | 152.7 | SFN |
| +036+ | 3.56 | Ray Collins | 155.3 | BOS |
| +042+ | 3.22 | Babe Adams | 143.3 | PIT |
| +043+ | 3.2 | Eddie Plank | 216.7 | OAK |
| +047+ | 2.94 | Rube Geyer | 153.3 | SLN |
| +061+ | 2.39 | Vean Gregg | 233 | CLE |
| +063+ | 2.15 | Lefty Leifield | 91 | TOT |
| +064+ | 2.14 | Hub Perdue | 224.3 | ATL |
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