| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 7.52 | 191206060_MIN_CHA |
| Christy Mathewson | SFN | 5 | 191206070_CIN_SFN |
| Chief Bender | OAK | 2.35 | 191206060_OAK_BAL |
| Russ Ford | NYA | 1.01 | 191206060_NYA_CLE |
| Ray Collins | BOS | 0.85 | 191206070_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -4.61 | 191206070_OAK_BAL |
| Ray Caldwell | NYA | -2.84 | 191206070_NYA_CLE |
| Bob Harmon | SLN | -2.15 | 191206050_SLN_PHI |
| Bob Groom | MIN | -1.18 | 191206070_MIN_CHA |
| Howie Camnitz | PIT | -0.84 | 191206050_PIT_ATL |
Based on accumulated WAA for this season up to 1912-06-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.82 | Walter Johnson | 124 | MIN |
| +002+ | 6.26 | Rube Marquard | 94 | SFN |
| +003+ | 5 | Slim Sallee | 96.7 | SLN |
| +004+ | 4.14 | Hooks Wiltse | 41.3 | SFN |
| +005+ | 4.03 | Ed Walsh | 126.7 | CHA |
| +006+ | 3.52 | Christy Mathewson | 87.7 | SFN |
| +007+ | 3.44 | Larry Cheney | 105.3 | CHN |
| +009+ | 3.06 | Red Ames | 60 | SFN |
| +010+ | 2.99 | Rube Benton | 87.7 | CIN |
| +011+ | 2.97 | Ad Brennan | 77.3 | PHI |
| +013+ | 2.67 | Claude Hendrix | 86.7 | PIT |
| +015+ | 2.4 | George Kahler | 97.7 | CLE |
| +016+ | 2.35 | Jean Dubuc | 78.3 | DET |
| +018+ | 2.32 | Vean Gregg | 73.7 | CLE |
| +020+ | 2.28 | Marty O'Toole | 78.7 | PIT |
| +023+ | 2.05 | Hub Perdue | 82.3 | ATL |
| +025+ | 1.98 | Walt Dickson | 45.3 | ATL |
| +029+ | 1.78 | Tom Seaton | 80 | PHI |
| +032+ | 1.66 | Babe Adams | 68.3 | PIT |
| +035+ | 1.6 | Eddie Plank | 73 | OAK |
| +036+ | 1.58 | Buster Brown | 63.7 | ATL |
| +037+ | 1.58 | George Baumgardner | 58.3 | BAL |
| +038+ | 1.53 | Pete Alexander | 85.7 | PHI |
| +039+ | 1.5 | Joe Benz | 78.7 | CHA |
| +040+ | 1.43 | Cliff Curtis | 28 | PHI |
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