| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 7.64 | 191206020_OAK_CHA |
| Christy Mathewson | SFN | 5.51 | 191206010_SLN_SFN |
| Chief Bender | OAK | 3.19 | 191206010_OAK_CHA |
| Smoky Joe Wood | BOS | 2.72 | 191206020_BOS_CLE |
| Slim Sallee | SLN | 2.21 | 191206030_SLN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Caldwell | NYA | -2.68 | 191206010_NYA_DET |
| Bill Steele | SLN | -1.79 | 191206010_SLN_SFN |
| Lefty George | CLE | -1.69 | 191206020_BOS_CLE |
| Bob Groom | MIN | -1.35 | 191206020_MIN_BAL |
| Red Nelson | BAL | -1.08 | 191206010_MIN_BAL |
Based on accumulated WAA for this season up to 1912-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.22 | Rube Marquard | 94 | SFN |
| +002+ | 6.1 | Walter Johnson | 111 | MIN |
| +003+ | 4.91 | Slim Sallee | 96.7 | SLN |
| +004+ | 4.38 | Ed Walsh | 120.3 | CHA |
| +005+ | 3.89 | Hooks Wiltse | 39 | SFN |
| +006+ | 3.09 | Marty O'Toole | 74.7 | PIT |
| +007+ | 3.01 | Christy Mathewson | 78.7 | SFN |
| +008+ | 2.91 | Rube Benton | 87.7 | CIN |
| +009+ | 2.71 | Larry Cheney | 96.3 | CHN |
| +012+ | 2.59 | Red Ames | 53.3 | SFN |
| +015+ | 2.3 | Lew Richie | 55.7 | CHN |
| +017+ | 2.11 | Joe Benz | 74.7 | CHA |
| +019+ | 2.05 | Jean Dubuc | 69.3 | DET |
| +020+ | 2.04 | Hub Perdue | 82.3 | ATL |
| +026+ | 1.71 | Claude Hendrix | 77.7 | PIT |
| +029+ | 1.63 | Smoky Joe Wood | 110.7 | BOS |
| +030+ | 1.62 | Babe Adams | 68.3 | PIT |
| +031+ | 1.6 | Vean Gregg | 64.7 | CLE |
| +032+ | 1.55 | George Baumgardner | 58.3 | BAL |
| +033+ | 1.52 | Pete Alexander | 85.7 | PHI |
| +034+ | 1.5 | Tom Seaton | 75.3 | PHI |
| +035+ | 1.48 | Buster Brown | 54.7 | ATL |
| +037+ | 1.47 | Eddie Plank | 64 | OAK |
| +036+ | 1.47 | George Kahler | 88.7 | CLE |
| +044+ | 1.36 | Walt Dickson | 37.3 | ATL |
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