| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -1.77 | 191207060_CHN_SLN |
| Earl Hamilton | BAL | -1.62 | 191207070_BAL_CLE |
| Cy Barger | LAN | -0.78 | 191207070_LAN_CIN |
| Bill Steen | CLE | -0.44 | 191207070_BAL_CLE |
| Eddie Cicotte | BOS | -0.43 | 191207060_BOS_OAK |
Based on accumulated WAA for this season up to 1912-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.6 | Walter Johnson | 181 | MIN |
| +002+ | 9.07 | Rube Marquard | 166.3 | SFN |
| +003+ | 7.19 | Slim Sallee | 163.7 | SLN |
| +004+ | 6.06 | Christy Mathewson | 137.7 | SFN |
| +005+ | 5.82 | Marty O'Toole | 143 | PIT |
| +006+ | 5.47 | Jimmy Lavender | 117 | CHN |
| +007+ | 5.4 | Nap Rucker | 132 | LAN |
| +008+ | 5.3 | Claude Hendrix | 146.3 | PIT |
| +011+ | 5.13 | Ed Walsh | 189 | CHA |
| +012+ | 4.92 | Larry Cheney | 159 | CHN |
| +013+ | 4.84 | Rube Benton | 154 | CIN |
| +014+ | 4.71 | George Suggs | 131.3 | CIN |
| +017+ | 4.05 | Smoky Joe Wood | 182.3 | BOS |
| +019+ | 3.63 | Joe Benz | 129.7 | CHA |
| +022+ | 3.32 | Lew Richie | 101.3 | CHN |
| +023+ | 3.3 | Red Ames | 96.3 | SFN |
| +028+ | 2.85 | Hooks Wiltse | 81 | SFN |
| +029+ | 2.76 | Hub Perdue | 122.3 | ATL |
| +032+ | 2.63 | Pete Alexander | 139.7 | PHI |
| +034+ | 2.51 | Eddie Plank | 124.7 | OAK |
| +038+ | 2.33 | Ad Brennan | 124 | PHI |
| +040+ | 2.16 | Howie Camnitz | 140 | PIT |
| +041+ | 2.1 | Vean Gregg | 121.3 | CLE |
| +048+ | 1.91 | Mordecai Brown | 67.3 | CHN |
| +054+ | 1.67 | Jean Dubuc | 128 | DET |
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