| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 4.97 | 191207022_CHA_BAL |
| Slim Sallee | SLN | 2.93 | 191206300_SLN_CIN |
| Lew Richie | CHN | 1.69 | 191206300_PIT_CHN |
| George Suggs | CIN | 1.58 | 191206300_SLN_CIN |
| Marty O'Toole | PIT | 1.23 | 191207010_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Hamilton | BAL | -2.72 | 191207021_CHA_BAL |
| Willie Mitchell | CLE | -1.5 | 191206301_CLE_BAL |
| George McConnell | NYA | -1.36 | 191207010_NYA_BOS |
| Elmer Knetzer | LAN | -0.69 | 191207011_LAN_PHI |
| Tex Covington | DET | -0.62 | 191206301_CHA_DET |
Based on accumulated WAA for this season up to 1912-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.65 | Rube Marquard | 151.3 | SFN |
| +002+ | 8.62 | Walter Johnson | 162.3 | MIN |
| +003+ | 5.8 | Marty O'Toole | 134 | PIT |
| +004+ | 5.74 | Slim Sallee | 148 | SLN |
| +005+ | 5.36 | Larry Cheney | 154.7 | CHN |
| +007+ | 5.22 | Christy Mathewson | 124.7 | SFN |
| +009+ | 4.91 | Ed Walsh | 180 | CHA |
| +010+ | 4.6 | Nap Rucker | 122 | LAN |
| +011+ | 4.49 | George Suggs | 122.7 | CIN |
| +012+ | 4.41 | Rube Benton | 141 | CIN |
| +016+ | 3.91 | Joe Benz | 123.7 | CHA |
| +017+ | 3.9 | Jimmy Lavender | 96.3 | CHN |
| +020+ | 3.44 | Smoky Joe Wood | 165.3 | BOS |
| +021+ | 3.37 | Charley Hall | 114 | BOS |
| +022+ | 3.25 | Hooks Wiltse | 70 | SFN |
| +023+ | 3.23 | Lew Richie | 91.7 | CHN |
| +030+ | 2.48 | Chief Bender | 94.3 | OAK |
| +032+ | 2.41 | Howie Camnitz | 123 | PIT |
| +035+ | 2.29 | Eddie Plank | 115.7 | OAK |
| +043+ | 1.96 | Pete Alexander | 129.7 | PHI |
| +045+ | 1.9 | Cliff Curtis | 48 | PHI |
| +051+ | 1.77 | Bert Humphries | 75.7 | CIN |
| +053+ | 1.71 | Rube Geyer | 64.3 | SLN |
| +056+ | 1.6 | Vean Gregg | 103.3 | CLE |
| +057+ | 1.58 | Walt Dickson | 80 | ATL |
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