| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.13 | 191208020_MIN_DET |
| Christy Mathewson | SFN | 7.32 | 191208030_CIN_SFN |
| Nap Rucker | LAN | 3.6 | 191208031_CHN_LAN |
| Slim Sallee | SLN | 2.93 | 191208010_SLN_PHI |
| Claude Hendrix | PIT | 2.73 | 191208010_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McConnell | NYA | -3.02 | 191208010_NYA_CHA |
| Earl Hamilton | BAL | -1.55 | 191208020_BOS_BAL |
| Ed Willett | DET | -1.54 | 191208020_MIN_DET |
| Hippo Vaughn | MIN | -1.41 | 191208030_MIN_DET |
| Lefty Tyler | ATL | -0.94 | 191208032_PIT_ATL |
Based on accumulated WAA for this season up to 1912-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.36 | Walter Johnson | 245.3 | MIN |
| +002+ | 10.04 | Christy Mathewson | 201.7 | SFN |
| +004+ | 8.13 | Nap Rucker | 192.7 | LAN |
| +005+ | 7.72 | Claude Hendrix | 199.3 | PIT |
| +007+ | 7.07 | Marty O'Toole | 190 | PIT |
| +008+ | 6.78 | Slim Sallee | 199.7 | SLN |
| +010+ | 5.85 | Ed Walsh | 260.3 | CHA |
| +011+ | 5.49 | Rube Benton | 197 | CIN |
| +013+ | 5.31 | Smoky Joe Wood | 226 | BOS |
| +014+ | 5.28 | Lew Richie | 158.3 | CHN |
| +016+ | 4.92 | Pete Alexander | 193.7 | PHI |
| +017+ | 4.88 | Jimmy Lavender | 154 | CHN |
| +019+ | 4.09 | Larry Cheney | 193 | CHN |
| +023+ | 3.49 | Art Fromme | 173.7 | CIN |
| +024+ | 3.46 | Bert Humphries | 127 | CIN |
| +025+ | 3.43 | George Suggs | 179.7 | CIN |
| +029+ | 3.35 | Red Ames | 122 | SFN |
| +031+ | 3.31 | Jeff Tesreau | 112.7 | SFN |
| +032+ | 3.3 | Ad Brennan | 168 | PHI |
| +035+ | 3.1 | Lefty Leifield | 78.7 | TOT |
| +037+ | 3 | Vean Gregg | 162.7 | CLE |
| +038+ | 2.89 | Howie Camnitz | 176.7 | PIT |
| +045+ | 2.52 | Rube Geyer | 100.7 | SLN |
| +049+ | 2.44 | Hooks Wiltse | 101.3 | SFN |
| +052+ | 2.3 | Buck O'Brien | 187.7 | BOS |
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