| Starter | Tm | Tier | Game |
|---|---|---|---|
| Slim Sallee | SLN | 2.91 | 191208310_SLN_CHN |
| Rube Benton | CIN | 1.74 | 191208300_CIN_PIT |
| Marty O'Toole | PIT | 1.56 | 191208290_CIN_PIT |
| Lew Richie | CHN | 1.17 | 191208290_SLN_CHN |
| Jeff Tesreau | SFN | 0.72 | 191208290_LAN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Fisher | NYA | -3.19 | 191208290_NYA_MIN |
| Mack Allison | BAL | -2.22 | 191208310_BAL_DET |
| Carl Cashion | MIN | -1.74 | 191208310_NYA_MIN |
| Eddie Cicotte | CHA | -1.36 | 191208310_CHA_CLE |
| Lefty Tyler | ATL | -1.05 | 191208312_ATL_PHI |
Based on accumulated WAA for this season up to 1912-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.16 | Walter Johnson | 304.7 | MIN |
| +002+ | 10.21 | Christy Mathewson | 244 | SFN |
| +003+ | 8.99 | Nap Rucker | 230 | LAN |
| +005+ | 8.5 | Slim Sallee | 262.7 | SLN |
| +006+ | 8.41 | Rube Marquard | 242.7 | SFN |
| +009+ | 7.31 | Smoky Joe Wood | 285 | BOS |
| +010+ | 6.98 | Rube Benton | 244.7 | CIN |
| +011+ | 6.66 | Art Fromme | 227.7 | CIN |
| +013+ | 6.46 | Ed Walsh | 321 | CHA |
| +016+ | 6.05 | George Suggs | 232.3 | CIN |
| +017+ | 6.04 | Pete Alexander | 248 | PHI |
| +018+ | 5.89 | Marty O'Toole | 230 | PIT |
| +019+ | 5.56 | Larry Cheney | 238 | CHN |
| +020+ | 5.42 | Lew Richie | 199.7 | CHN |
| +021+ | 5.29 | Jimmy Lavender | 214.3 | CHN |
| +022+ | 4.99 | Howie Camnitz | 224.7 | PIT |
| +023+ | 4.92 | Jeff Tesreau | 159.7 | SFN |
| +030+ | 4.13 | Eppa Rixey | 115.7 | PHI |
| +031+ | 4.06 | Red Ames | 141.3 | SFN |
| +036+ | 3.42 | Babe Adams | 135.3 | PIT |
| +040+ | 3.27 | Ray Collins | 146.3 | BOS |
| +042+ | 3.24 | Hooks Wiltse | 125.7 | SFN |
| +046+ | 3.04 | Eddie Plank | 204.7 | OAK |
| +049+ | 2.92 | Bert Humphries | 158 | CIN |
| +054+ | 2.58 | Lefty Leifield | 86 | TOT |
_