| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Tesreau | SFN | 4.5 | 191210050_SFN_LAN |
| Ed Walsh | CHA | 2.95 | 191210040_CHA_DET |
| Slim Sallee | SLN | 2.89 | 191210060_SLN_CHN |
| Art Fromme | CIN | 2.48 | 191210050_PIT_CIN |
| Marty O'Toole | PIT | 2.36 | 191210050_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Ford | NYA | -3.51 | 191210040_MIN_NYA |
| Mack Allison | BAL | -1.99 | 191210060_CLE_BAL |
| Willie Mitchell | CLE | -1.08 | 191210060_CLE_BAL |
| George Boehler | DET | -0.73 | 191210040_CHA_DET |
| Tom Hughes | MIN | -0.67 | 191210050_MIN_NYA |
Based on accumulated WAA for this season up to 1912-10-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.83 | Walter Johnson | 369.3 | MIN |
| +003+ | 11.95 | Nap Rucker | 295.3 | LAN |
| +005+ | 11 | Jeff Tesreau | 241.7 | SFN |
| +006+ | 9.71 | Smoky Joe Wood | 344 | BOS |
| +007+ | 9.22 | Slim Sallee | 292.7 | SLN |
| +008+ | 9.03 | Rube Marquard | 294 | SFN |
| +009+ | 8.89 | Ed Walsh | 392 | CHA |
| +010+ | 8.44 | Claude Hendrix | 288.3 | PIT |
| +013+ | 8.17 | Art Fromme | 295.7 | CIN |
| +015+ | 7.48 | Larry Cheney | 303.3 | CHN |
| +017+ | 7.19 | Marty O'Toole | 274.3 | PIT |
| +018+ | 6.92 | George Suggs | 302.7 | CIN |
| +020+ | 6.53 | Howie Camnitz | 276.3 | PIT |
| +025+ | 5.83 | Red Ames | 177.7 | SFN |
| +028+ | 5.51 | Eppa Rixey | 162 | PHI |
| +029+ | 5.41 | Rube Benton | 297.7 | CIN |
| +030+ | 5.37 | Lew Richie | 238.7 | CHN |
| +034+ | 4.99 | Jimmy Lavender | 253 | CHN |
| +037+ | 4.63 | Ray Collins | 199.3 | BOS |
| +038+ | 4.39 | Vean Gregg | 271 | CLE |
| +042+ | 3.95 | Tom Seaton | 254.3 | PHI |
| +046+ | 3.64 | Babe Adams | 169.3 | PIT |
| +054+ | 2.81 | Buck O'Brien | 275.7 | BOS |
| +065+ | 2.52 | Chief Bender | 171 | OAK |
| +074+ | 1.94 | Wilbur Cooper | 38 | PIT |
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