| 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 |
| Bob Harmon | SLN | -1.44 | 191207091_ATL_SLN |
| Mack Allison | BAL | -0.85 | 191207080_BAL_BOS |
| Barney Pelty | MIN | -0.65 | 191207091_CLE_MIN |
| Otto Hess | ATL | -0.53 | 191207092_ATL_SLN |
Based on accumulated WAA for this season up to 1912-07-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.68 | Walter Johnson | 190 | MIN |
| +002+ | 8.99 | Rube Marquard | 166.3 | SFN |
| +004+ | 6.61 | Marty O'Toole | 152 | PIT |
| +005+ | 6.46 | Christy Mathewson | 146.7 | SFN |
| +006+ | 5.82 | Nap Rucker | 139 | LAN |
| +008+ | 5.4 | Jimmy Lavender | 117 | CHN |
| +010+ | 5.24 | Ed Walsh | 197.7 | CHA |
| +011+ | 5.21 | Claude Hendrix | 146.3 | PIT |
| +012+ | 4.83 | Larry Cheney | 159 | CHN |
| +013+ | 4.83 | George Suggs | 133.3 | CIN |
| +015+ | 4.74 | Rube Benton | 154 | CIN |
| +016+ | 4.13 | Lew Richie | 110.3 | CHN |
| +018+ | 3.93 | Smoky Joe Wood | 182.3 | BOS |
| +021+ | 3.57 | Joe Benz | 129.7 | CHA |
| +027+ | 2.82 | Hooks Wiltse | 81 | SFN |
| +030+ | 2.75 | Red Ames | 97.7 | SFN |
| +031+ | 2.68 | Hub Perdue | 122.3 | ATL |
| +033+ | 2.57 | Pete Alexander | 139.7 | PHI |
| +035+ | 2.48 | Eddie Plank | 133.7 | OAK |
| +038+ | 2.27 | Ad Brennan | 124 | PHI |
| +040+ | 2.13 | Bert Humphries | 90.7 | CIN |
| +042+ | 2.11 | Mordecai Brown | 76.3 | CHN |
| +044+ | 2.08 | Howie Camnitz | 140 | PIT |
| +045+ | 2.02 | Vean Gregg | 121.3 | CLE |
| +046+ | 1.98 | Jack Powell | 121 | BAL |
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