| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.59 | 191207092_CLE_MIN |
| Rube Marquard | SFN | 5.91 | 191207080_SFN_CHN |
| Ed Walsh | CHA | 4.07 | 191207090_CHA_OAK |
| Nap Rucker | LAN | 2.61 | 191207090_LAN_CIN |
| Smoky Joe Wood | BOS | 1.9 | 191207080_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McConnell | NYA | -2.58 | 191207090_DET_NYA |
| Earl Hamilton | BAL | -1.62 | 191207070_BAL_CLE |
| Gene Dale | SLN | -1.6 | 191207070_CHN_SLN |
| Cy Barger | LAN | -0.78 | 191207070_LAN_CIN |
| Barney Pelty | MIN | -0.65 | 191207091_CLE_MIN |
Based on accumulated WAA for this season up to 1912-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.65 | Walter Johnson | 190 | MIN |
| +002+ | 8.94 | Rube Marquard | 166.3 | SFN |
| +003+ | 7.02 | Slim Sallee | 163.7 | SLN |
| +004+ | 6.58 | Marty O'Toole | 152 | PIT |
| +005+ | 6.41 | Christy Mathewson | 146.7 | SFN |
| +006+ | 5.8 | Nap Rucker | 139 | LAN |
| +007+ | 5.38 | Jimmy Lavender | 117 | CHN |
| +010+ | 5.19 | Claude Hendrix | 146.3 | PIT |
| +011+ | 5.18 | Ed Walsh | 197.3 | CHA |
| +012+ | 4.81 | George Suggs | 133.3 | CIN |
| +013+ | 4.8 | Larry Cheney | 159 | CHN |
| +015+ | 4.72 | Rube Benton | 154 | CIN |
| +017+ | 3.91 | Smoky Joe Wood | 182.3 | BOS |
| +019+ | 3.55 | Joe Benz | 129.7 | CHA |
| +022+ | 3.24 | Lew Richie | 101.3 | CHN |
| +023+ | 3.22 | Red Ames | 96.3 | SFN |
| +028+ | 2.79 | Hooks Wiltse | 81 | SFN |
| +031+ | 2.66 | Hub Perdue | 122.3 | ATL |
| +034+ | 2.54 | Pete Alexander | 139.7 | PHI |
| +039+ | 2.25 | Ad Brennan | 124 | PHI |
| +041+ | 2.12 | Bert Humphries | 90.7 | CIN |
| +042+ | 2.1 | Mordecai Brown | 76.3 | CHN |
| +043+ | 2.05 | Howie Camnitz | 140 | PIT |
| +044+ | 1.99 | Vean Gregg | 121.3 | CLE |
| +052+ | 1.82 | Rube Geyer | 77.3 | SLN |
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