| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.23 | 191207130_CHA_MIN |
| Rube Marquard | SFN | 5.49 | 191207142_SFN_SLN |
| Ed Walsh | CHA | 3.87 | 191207122_CHA_OAK |
| Nap Rucker | LAN | 3.01 | 191207131_LAN_PIT |
| Marty O'Toole | PIT | 2.29 | 191207132_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McConnell | NYA | -3.08 | 191207131_BAL_NYA |
| Earl Hamilton | BAL | -1.84 | 191207120_BAL_NYA |
| Elmer Knetzer | LAN | -1.68 | 191207132_LAN_PIT |
| Hippo Vaughn | MIN | -1.31 | 191207120_CLE_MIN |
| Joe Lake | DET | -1.26 | 191207121_DET_BOS |
Based on accumulated WAA for this season up to 1912-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.88 | Walter Johnson | 199 | MIN |
| +002+ | 8.71 | Rube Marquard | 173.7 | SFN |
| +004+ | 6.87 | Marty O'Toole | 159 | PIT |
| +005+ | 6.77 | Christy Mathewson | 155.7 | SFN |
| +006+ | 6.5 | Nap Rucker | 149.7 | LAN |
| +007+ | 5.68 | Claude Hendrix | 155.3 | PIT |
| +010+ | 5.04 | Jimmy Lavender | 122 | CHN |
| +012+ | 5.01 | Rube Benton | 165.3 | CIN |
| +011+ | 5.01 | Ed Walsh | 205.7 | CHA |
| +013+ | 4.94 | Larry Cheney | 172 | CHN |
| +015+ | 4.71 | Smoky Joe Wood | 193.3 | BOS |
| +016+ | 4.63 | Lew Richie | 117.7 | CHN |
| +017+ | 4.58 | George Suggs | 141.3 | CIN |
| +020+ | 3.72 | Joe Benz | 136.7 | CHA |
| +027+ | 3.05 | Pete Alexander | 148.7 | PHI |
| +029+ | 2.77 | Hooks Wiltse | 90 | SFN |
| +030+ | 2.74 | Ad Brennan | 132.7 | PHI |
| +033+ | 2.67 | Red Ames | 97.7 | SFN |
| +032+ | 2.67 | Bert Humphries | 99.7 | CIN |
| +036+ | 2.56 | Vean Gregg | 130.3 | CLE |
| +040+ | 2.23 | Hub Perdue | 130.3 | ATL |
| +041+ | 2.22 | Chief Bender | 113.3 | OAK |
| +047+ | 2.04 | Howie Camnitz | 148 | PIT |
| +051+ | 1.87 | Rube Geyer | 81 | SLN |
| +052+ | 1.86 | Jack Powell | 121 | BAL |
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