| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Caldwell | NYA | -1.63 | 191205220_CHA_NYA |
| Bob Harmon | SLN | -1.59 | 191205220_PHI_SLN |
| Dixie Walker | MIN | -0.84 | 191205200_BAL_MIN |
| Fred Blanding | CLE | -0.63 | 191205200_CLE_NYA |
| Barney Pelty | BAL | -0.3 | 191205220_BAL_OAK |
Based on accumulated WAA for this season up to 1912-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.04 | Walter Johnson | 85 | MIN |
| +002+ | 4.68 | Rube Marquard | 67 | SFN |
| +003+ | 3.64 | Ed Walsh | 96.3 | CHA |
| +004+ | 3.08 | Slim Sallee | 75.3 | SLN |
| +005+ | 2.99 | Christy Mathewson | 62.7 | SFN |
| +006+ | 2.89 | Smoky Joe Wood | 80.7 | BOS |
| +008+ | 2.69 | Marty O'Toole | 57 | PIT |
| +009+ | 2.59 | Joe Benz | 49.7 | CHA |
| +012+ | 2.04 | Red Ames | 44.3 | SFN |
| +013+ | 2.01 | Hub Perdue | 65.7 | ATL |
| +014+ | 1.97 | Ad Brennan | 51.7 | PHI |
| +016+ | 1.84 | Jeff Tesreau | 42.3 | SFN |
| +018+ | 1.74 | Larry Cheney | 78.3 | CHN |
| +019+ | 1.63 | Walt Dickson | 30.7 | ATL |
| +025+ | 1.44 | Eddie Plank | 51 | OAK |
| +026+ | 1.41 | Rube Benton | 59.7 | CIN |
| +028+ | 1.36 | Charley Hall | 52.3 | BOS |
| +029+ | 1.34 | George Baumgardner | 43.7 | BAL |
| +030+ | 1.34 | Tom Seaton | 55.7 | PHI |
| +033+ | 1.27 | George Kahler | 66 | CLE |
| XXXXX | 1.18 | Maury Kent | 45.3 | LAN |
| XXXXX | 1.1 | George Mogridge | 25 | CHA |
| XXXXX | 1.08 | Pat Ragan | 14.3 | LAN |
| XXXXX | 1.07 | George Suggs | 58.3 | CIN |
| XXXXX | 1.04 | Vean Gregg | 46.7 | CLE |
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