| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Curtis | PHI | -1.62 | 191205090_PHI_CIN |
| Bill Burns | DET | -1.56 | 191205090_DET_BOS |
| Elmer Brown | BAL | -0.76 | 191205110_BAL_BOS |
| Dixie Walker | MIN | -0.6 | 191205090_CHA_MIN |
| Willie Mitchell | CLE | -0.57 | 191205110_CLE_MIN |
Based on accumulated WAA for this season up to 1912-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.11 | Walter Johnson | 67 | MIN |
| +002+ | 3.12 | Rube Marquard | 49 | SFN |
| +003+ | 2.77 | Lew Richie | 45.7 | CHN |
| +004+ | 2.61 | George Kahler | 44 | CLE |
| +005+ | 2.28 | George Baumgardner | 32.7 | BAL |
| +006+ | 2.15 | Christy Mathewson | 45.7 | SFN |
| +007+ | 1.96 | Marty O'Toole | 41 | PIT |
| +011+ | 1.63 | Buster Brown | 26.3 | ATL |
| +012+ | 1.62 | George Mogridge | 24.3 | CHA |
| +015+ | 1.56 | Maury Kent | 33.3 | LAN |
| +016+ | 1.54 | Bob Groom | 50 | MIN |
| +019+ | 1.41 | Jeff Tesreau | 32.3 | SFN |
| +020+ | 1.4 | Red Ames | 26 | SFN |
| +021+ | 1.36 | Slim Sallee | 57.3 | SLN |
| +022+ | 1.34 | Smoky Joe Wood | 62.7 | BOS |
| +023+ | 1.31 | Hub Perdue | 50 | ATL |
| XXXXX | 1.23 | Larry Cheney | 51.3 | CHN |
| XXXXX | 1.23 | Charley Hall | 42.3 | BOS |
| XXXXX | 1.19 | Eddie Stack | 25.7 | LAN |
| XXXXX | 1.13 | Eddie Plank | 45.7 | OAK |
| XXXXX | 1.1 | Joe Benz | 30 | CHA |
| XXXXX | 1.03 | Babe Adams | 44.3 | PIT |
| XXXXX | 1 | Claude Hendrix | 37.7 | PIT |
| XXXXX | 0.74 | Harry Gaspar | 19 | CIN |
| XXXXX | 0.71 | Tom Seaton | 41.3 | PHI |
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