| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -3.74 | 191209070_OAK_NYA |
| Elmer Knetzer | LAN | -2.01 | 191209072_ATL_LAN |
| Mack Allison | BAL | -1.68 | 191209070_BAL_DET |
| Carl Cashion | MIN | -1.3 | 191209050_MIN_BOS |
| Eddie Cicotte | CHA | -0.92 | 191209070_CLE_CHA |
Based on accumulated WAA for this season up to 1912-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.5 | Walter Johnson | 322.7 | MIN |
| +002+ | 11.44 | Christy Mathewson | 266 | SFN |
| +005+ | 9.17 | Slim Sallee | 271.7 | SLN |
| +006+ | 8.72 | Smoky Joe Wood | 303 | BOS |
| +007+ | 8.57 | Claude Hendrix | 256.7 | PIT |
| +008+ | 8.52 | Rube Marquard | 261.7 | SFN |
| +010+ | 7.07 | Art Fromme | 245.7 | CIN |
| +012+ | 6.73 | Rube Benton | 255.7 | CIN |
| +014+ | 6.64 | George Suggs | 252.3 | CIN |
| +016+ | 6.26 | Jeff Tesreau | 177.7 | SFN |
| +017+ | 6.09 | Marty O'Toole | 236 | PIT |
| +018+ | 6.06 | Pete Alexander | 268 | PHI |
| +019+ | 5.93 | Lew Richie | 215.7 | CHN |
| +021+ | 5.83 | Larry Cheney | 247 | CHN |
| +023+ | 5.44 | Red Ames | 159.7 | SFN |
| +024+ | 5.3 | Eppa Rixey | 134.7 | PHI |
| +026+ | 5.08 | Hank Robinson | 150 | PIT |
| +028+ | 4.94 | Jimmy Lavender | 223.3 | CHN |
| +036+ | 3.66 | Eddie Plank | 222 | OAK |
| +037+ | 3.55 | Ray Collins | 155.3 | BOS |
| +051+ | 2.71 | Hooks Wiltse | 127.7 | SFN |
| +060+ | 2.38 | Vean Gregg | 233 | CLE |
| +063+ | 2.15 | Hub Perdue | 224.3 | ATL |
| +064+ | 2.15 | Lefty Leifield | 91 | TOT |
| +069+ | 1.88 | Tom Seaton | 211.3 | PHI |
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