| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.58 | 191207032_NYA_MIN |
| Rube Marquard | SFN | 6.55 | 191207031_LAN_SFN |
| Ed Walsh | CHA | 4.97 | 191207022_CHA_BAL |
| Nap Rucker | LAN | 2.61 | 191207031_LAN_SFN |
| Larry Cheney | CHN | 1.26 | 191207020_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -2.72 | 191207021_CHA_BAL |
| Hippo Vaughn | MIN | -1.81 | 191207031_NYA_MIN |
| Ralph Works | DET | -1.41 | 191207030_CLE_DET |
| George McConnell | NYA | -1.36 | 191207010_NYA_BOS |
| Elmer Knetzer | LAN | -1.08 | 191207032_LAN_SFN |
Based on accumulated WAA for this season up to 1912-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.55 | Rube Marquard | 160.3 | SFN |
| +002+ | 9.02 | Walter Johnson | 168.3 | MIN |
| +003+ | 5.82 | Marty O'Toole | 134 | PIT |
| +004+ | 5.75 | Slim Sallee | 148 | SLN |
| +005+ | 5.38 | Larry Cheney | 154.7 | CHN |
| +006+ | 5.33 | Christy Mathewson | 125.7 | SFN |
| +008+ | 5.25 | Nap Rucker | 130 | LAN |
| +010+ | 4.93 | Ed Walsh | 180 | CHA |
| +011+ | 4.51 | George Suggs | 122.7 | CIN |
| +012+ | 4.42 | Rube Benton | 141 | CIN |
| +016+ | 3.92 | Joe Benz | 123.7 | CHA |
| +017+ | 3.91 | Jimmy Lavender | 96.3 | CHN |
| +019+ | 3.45 | Smoky Joe Wood | 165.3 | BOS |
| +020+ | 3.38 | Charley Hall | 114 | BOS |
| +021+ | 3.35 | Red Ames | 90.3 | SFN |
| +022+ | 3.24 | Lew Richie | 91.7 | CHN |
| +026+ | 2.82 | Hooks Wiltse | 72 | SFN |
| +033+ | 2.43 | Howie Camnitz | 123 | PIT |
| +035+ | 2.3 | Eddie Plank | 115.7 | OAK |
| +044+ | 1.97 | Pete Alexander | 129.7 | PHI |
| +049+ | 1.77 | Bert Humphries | 75.7 | CIN |
| +050+ | 1.72 | Rube Geyer | 64.3 | SLN |
| +054+ | 1.61 | Vean Gregg | 103.3 | CLE |
| +056+ | 1.58 | Walt Dickson | 80 | ATL |
| +058+ | 1.51 | Babe Adams | 77.3 | PIT |
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