| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 6.88 | 191205200_CHA_BOS |
| Christy Mathewson | SFN | 5.95 | 191205180_SFN_CIN |
| Smoky Joe Wood | BOS | 4.54 | 191205200_CHA_BOS |
| Babe Adams | PIT | 2.55 | 191205180_ATL_PIT |
| Slim Sallee | SLN | 0.7 | 191205200_PHI_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -2.48 | 191205180_ATL_PIT |
| Bob Harmon | SLN | -2.12 | 191205190_PHI_SLN |
| Willie Mitchell | CLE | -1.32 | 191205180_CLE_NYA |
| Dixie Walker | MIN | -0.84 | 191205200_BAL_MIN |
| Hippo Vaughn | NYA | -0.53 | 191205200_CLE_NYA |
Based on accumulated WAA for this season up to 1912-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.65 | Rube Marquard | 67 | SFN |
| +002+ | 4.53 | Walter Johnson | 76 | MIN |
| +003+ | 3.07 | Ed Walsh | 91 | CHA |
| +004+ | 3.03 | Slim Sallee | 75.3 | SLN |
| +005+ | 2.85 | Smoky Joe Wood | 80.7 | BOS |
| +006+ | 2.68 | Lew Richie | 48.7 | CHN |
| +007+ | 2.61 | Joe Benz | 48 | CHA |
| +008+ | 2.3 | Marty O'Toole | 49 | PIT |
| +009+ | 2.3 | Christy Mathewson | 53.7 | SFN |
| +010+ | 2.29 | George Kahler | 58 | CLE |
| +011+ | 2.16 | Hub Perdue | 61.3 | ATL |
| +012+ | 2.03 | Buster Brown | 37 | ATL |
| +013+ | 2.02 | Red Ames | 44.3 | SFN |
| +014+ | 1.89 | Larry Cheney | 69.3 | CHN |
| +018+ | 1.68 | George Mogridge | 24.7 | CHA |
| +020+ | 1.63 | Jeff Tesreau | 40.3 | SFN |
| +022+ | 1.56 | Maury Kent | 43.3 | LAN |
| +026+ | 1.36 | Rube Benton | 50.7 | CIN |
| +028+ | 1.33 | Tom Seaton | 55.7 | PHI |
| +029+ | 1.3 | Eddie Plank | 47.7 | OAK |
| +030+ | 1.25 | Ad Brennan | 42.7 | PHI |
| XXXXX | 1.17 | George Baumgardner | 42.3 | BAL |
| XXXXX | 1.07 | Pat Ragan | 14.3 | LAN |
| XXXXX | 1.03 | George Suggs | 58.3 | CIN |
| XXXXX | 1.02 | Claude Hendrix | 46.7 | PIT |
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