| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 5.19 | 190709120_CHA_BAL |
| Cy Young | BOS | 4.63 | 190709141_BOS_OAK |
| Orval Overall | CHN | 3.43 | 190709120_CIN_CHN |
| Addie Joss | CLE | 3.4 | 190709132_CLE_DET |
| Christy Mathewson | SFN | 2.62 | 190709130_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Irv Young | ATL | -4.41 | 190709122_PHI_ATL |
| Bill Dinneen | BAL | -1.09 | 190709120_CHA_BAL |
| Cy Morgan | BOS | -1.05 | 190709142_BOS_OAK |
| Art Fromme | SLN | -1.04 | 190709130_SLN_PIT |
| Slow Joe Doyle | NYA | -1.02 | 190709140_MIN_NYA |
Based on accumulated WAA for this season up to 1907-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.24 | Mordecai Brown | 216.7 | CHN |
| +003+ | 8.95 | Ed Walsh | 373.7 | CHA |
| +005+ | 7.56 | Orval Overall | 242.3 | CHN |
| +006+ | 7.38 | Carl Lundgren | 178.3 | CHN |
| +007+ | 7.02 | Cy Young | 314.7 | BOS |
| +008+ | 6.84 | Christy Mathewson | 272.7 | SFN |
| +013+ | 5.62 | Bob Ewing | 298 | CIN |
| +014+ | 5.56 | Addie Joss | 303.7 | CLE |
| +017+ | 4.14 | Tully Sparks | 224 | PHI |
| +018+ | 3.86 | Ed Reulbach | 166 | CHN |
| +020+ | 3.66 | Jim Pastorius | 193.3 | LAN |
| +021+ | 3.65 | Frank Smith | 286 | CHA |
| +022+ | 3.53 | Ed Killian | 278.3 | DET |
| +025+ | 3.43 | Ed Karger | 272.7 | SLN |
| +027+ | 3.34 | Chief Bender | 219.3 | OAK |
| +028+ | 3.32 | Ed Siever | 239.7 | DET |
| +029+ | 3.29 | Sam Leever | 194 | PIT |
| +031+ | 3.25 | Doc White | 244 | CHA |
| +036+ | 2.82 | Jack Pfiester | 168.7 | CHN |
| +039+ | 2.71 | Hooks Wiltse | 173.7 | SFN |
| +040+ | 2.68 | Lew Moren | 236.7 | PHI |
| +043+ | 2.53 | Bill Donovan | 217 | DET |
| +045+ | 2.52 | Walter Johnson | 73.3 | MIN |
| +052+ | 2.1 | Vic Willis | 262.3 | PIT |
| +053+ | 2.09 | Jake Weimer | 178 | CIN |
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