| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 7.32 | 191208030_CIN_SFN |
| Nap Rucker | LAN | 3.6 | 191208031_CHN_LAN |
| Claude Hendrix | PIT | 2.98 | 191208050_PIT_SFN |
| Ed Walsh | CHA | 2.97 | 191208040_MIN_CHA |
| Slim Sallee | SLN | 2.33 | 191208050_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McConnell | NYA | -2.63 | 191208050_NYA_DET |
| Elmer Knetzer | LAN | -1.69 | 191208050_SLN_LAN |
| Joe Lake | DET | -1.55 | 191208040_NYA_DET |
| Eddie Cicotte | CHA | -1.42 | 191208050_MIN_CHA |
| Hippo Vaughn | MIN | -1.41 | 191208030_MIN_DET |
Based on accumulated WAA for this season up to 1912-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.49 | Walter Johnson | 248.7 | MIN |
| +002+ | 10.08 | Christy Mathewson | 201.7 | SFN |
| +003+ | 8.53 | Rube Marquard | 203 | SFN |
| +004+ | 8.16 | Nap Rucker | 192.7 | LAN |
| +005+ | 7.96 | Claude Hendrix | 208.3 | PIT |
| +007+ | 7.1 | Marty O'Toole | 190 | PIT |
| +008+ | 7.03 | Slim Sallee | 208.7 | SLN |
| +010+ | 6.09 | Ed Walsh | 269.3 | CHA |
| +011+ | 5.55 | Rube Benton | 197 | CIN |
| +013+ | 5.38 | Smoky Joe Wood | 226 | BOS |
| +014+ | 5.33 | Jimmy Lavender | 163 | CHN |
| +016+ | 5.31 | Lew Richie | 158.3 | CHN |
| +017+ | 4.77 | Pete Alexander | 202.7 | PHI |
| +020+ | 4.13 | Larry Cheney | 193 | CHN |
| +025+ | 3.54 | Art Fromme | 173.7 | CIN |
| +026+ | 3.48 | George Suggs | 179.7 | CIN |
| +028+ | 3.38 | Bert Humphries | 128 | CIN |
| +031+ | 3.33 | Ad Brennan | 168 | PHI |
| +030+ | 3.33 | Jeff Tesreau | 112.7 | SFN |
| +032+ | 3.28 | Vean Gregg | 174 | CLE |
| +035+ | 3.12 | Lefty Leifield | 78.7 | TOT |
| +040+ | 2.93 | Howie Camnitz | 176.7 | PIT |
| +046+ | 2.6 | Earl Moore | 112.3 | PHI |
| +048+ | 2.54 | Rube Geyer | 100.7 | SLN |
| +050+ | 2.46 | Hooks Wiltse | 101.3 | SFN |
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