| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.84 | 191206040_MIN_BAL |
| Rube Marquard | SFN | 3.8 | 191206030_SLN_SFN |
| Eddie Plank | OAK | 2.29 | 191206030_OAK_CHA |
| Slim Sallee | SLN | 2.21 | 191206030_SLN_SFN |
| Vean Gregg | CLE | 0.89 | 191206040_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Warhop | NYA | -2.31 | 191206030_NYA_DET |
| Bob Harmon | SLN | -2.15 | 191206050_SLN_PHI |
| Lefty Tyler | ATL | -1.5 | 191206040_CHN_ATL |
| Ralph Works | DET | -0.99 | 191206040_NYA_DET |
| Howie Camnitz | PIT | -0.84 | 191206050_PIT_ATL |
Based on accumulated WAA for this season up to 1912-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.69 | Walter Johnson | 120 | MIN |
| +002+ | 6.29 | Rube Marquard | 94 | SFN |
| +003+ | 5.01 | Slim Sallee | 96.7 | SLN |
| +004+ | 4.49 | Ed Walsh | 120.3 | CHA |
| +005+ | 4.15 | Hooks Wiltse | 41.3 | SFN |
| +006+ | 3.47 | Larry Cheney | 105.3 | CHN |
| +008+ | 3.08 | Red Ames | 60 | SFN |
| +009+ | 3.07 | Christy Mathewson | 78.7 | SFN |
| +010+ | 3 | Rube Benton | 87.7 | CIN |
| +011+ | 2.84 | Ad Brennan | 71.7 | PHI |
| +013+ | 2.44 | George Kahler | 97.7 | CLE |
| +014+ | 2.35 | Lew Richie | 55.7 | CHN |
| +015+ | 2.34 | Vean Gregg | 73.7 | CLE |
| +016+ | 2.31 | Marty O'Toole | 78.7 | PIT |
| +019+ | 2.11 | Jean Dubuc | 69.3 | DET |
| +020+ | 2.09 | Hub Perdue | 82.3 | ATL |
| +027+ | 1.82 | Tom Seaton | 80 | PHI |
| +028+ | 1.79 | Claude Hendrix | 77.7 | PIT |
| +030+ | 1.68 | Babe Adams | 68.3 | PIT |
| +032+ | 1.61 | Buster Brown | 63.7 | ATL |
| +033+ | 1.6 | George Baumgardner | 58.3 | BAL |
| +035+ | 1.57 | Pete Alexander | 85.7 | PHI |
| +036+ | 1.55 | Eddie Plank | 64 | OAK |
| +038+ | 1.51 | Joe Benz | 78.7 | CHA |
| +039+ | 1.44 | Cliff Curtis | 28 | PHI |
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