| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -2.42 | 191205070_SFN_SLN |
| Lefty Tyler | ATL | -1.81 | 191205060_ATL_CHN |
| Frank Smith | CIN | -1.34 | 191205050_CIN_SLN |
| Tom Seaton | PHI | -0.19 | 191205070_PHI_CIN |
| George Mullin | DET | -0.18 | 191205070_DET_BOS |
Based on accumulated WAA for this season up to 1912-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.94 | Walter Johnson | 53 | MIN |
| +002+ | 2.77 | Lew Richie | 39.7 | CHN |
| +003+ | 2.53 | George Kahler | 44 | CLE |
| +004+ | 2.19 | Rube Marquard | 40 | SFN |
| +005+ | 2.1 | Eddie Plank | 36.7 | OAK |
| +007+ | 1.78 | Christy Mathewson | 36 | SFN |
| +009+ | 1.66 | Bob Groom | 41 | MIN |
| +011+ | 1.59 | Buster Brown | 26.3 | ATL |
| +012+ | 1.54 | Charley Hall | 37.3 | BOS |
| +013+ | 1.52 | Marty O'Toole | 35 | PIT |
| +014+ | 1.47 | Ed Walsh | 58 | CHA |
| +015+ | 1.41 | Maury Kent | 26 | LAN |
| +016+ | 1.4 | Jeff Tesreau | 24 | SFN |
| +018+ | 1.33 | Ad Brennan | 27.7 | PHI |
| +020+ | 1.3 | George Mogridge | 21.3 | CHA |
| XXXXX | 1.14 | Eddie Stack | 19.3 | LAN |
| XXXXX | 0.93 | Larry Cheney | 42.3 | CHN |
| XXXXX | 0.89 | Claude Hendrix | 30.7 | PIT |
| XXXXX | 0.86 | Hub Perdue | 42 | ATL |
| XXXXX | 0.82 | Joe Benz | 23 | CHA |
| XXXXX | 0.79 | Ed Willett | 44 | DET |
| XXXXX | 0.73 | Frank Lange | 26.7 | CHA |
| XXXXX | 0.69 | Harry Gaspar | 12 | CIN |
| XXXXX | 0.67 | Chief Bender | 22 | OAK |
| XXXXX | 0.67 | Rube Geyer | 18 | SLN |
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