| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 4.24 | 191207050_LAN_SFN |
| Ed Walsh | CHA | 3.94 | 191207050_DET_CHA |
| Nap Rucker | LAN | 2.36 | 191207060_SFN_LAN |
| Marty O'Toole | PIT | 1.71 | 191207050_CIN_PIT |
| Chief Bender | OAK | 1.6 | 191207060_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -1.77 | 191207060_CHN_SLN |
| Ralph Works | DET | -1.68 | 191207050_DET_CHA |
| Ray Fisher | NYA | -1.64 | 191207050_NYA_MIN |
| Earl Hamilton | BAL | -1.62 | 191207070_BAL_CLE |
| Cy Barger | LAN | -0.78 | 191207070_LAN_CIN |
Based on accumulated WAA for this season up to 1912-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.65 | Walter Johnson | 181 | MIN |
| +002+ | 9.55 | Rube Marquard | 160.3 | SFN |
| +003+ | 7.26 | Slim Sallee | 163.7 | SLN |
| +004+ | 6.08 | Christy Mathewson | 137.7 | SFN |
| +005+ | 5.85 | Marty O'Toole | 143 | PIT |
| +006+ | 5.43 | Nap Rucker | 132 | LAN |
| +009+ | 5.18 | Ed Walsh | 189 | CHA |
| +010+ | 5.04 | Jimmy Lavender | 108 | CHN |
| +011+ | 4.96 | Larry Cheney | 159 | CHN |
| +012+ | 4.88 | Rube Benton | 154 | CIN |
| +013+ | 4.75 | George Suggs | 131.3 | CIN |
| +015+ | 4.67 | Claude Hendrix | 137.3 | PIT |
| +018+ | 3.67 | Joe Benz | 129.7 | CHA |
| +021+ | 3.42 | Smoky Joe Wood | 173.3 | BOS |
| +022+ | 3.34 | Lew Richie | 101.3 | CHN |
| +023+ | 3.3 | Red Ames | 96.3 | SFN |
| +027+ | 2.86 | Hooks Wiltse | 81 | SFN |
| +031+ | 2.55 | Eddie Plank | 124.7 | OAK |
| +036+ | 2.35 | Ad Brennan | 124 | PHI |
| +038+ | 2.25 | Howie Camnitz | 132 | PIT |
| +047+ | 1.93 | Mordecai Brown | 67.3 | CHN |
| +051+ | 1.7 | Jean Dubuc | 128 | DET |
| +053+ | 1.66 | Vean Gregg | 112.3 | CLE |
| +054+ | 1.59 | Jack Powell | 112 | BAL |
| +057+ | 1.57 | Chief Bender | 104.3 | OAK |
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