| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 6.75 | 190709230_PHI_CHN |
| Christy Mathewson | SFN | 2.9 | 190709210_SFN_CIN |
| Jim Pastorius | LAN | 1.12 | 190709230_LAN_SLN |
| Sam Leever | PIT | 0.98 | 190709210_LAN_PIT |
| Ed Killian | DET | 0.98 | 190709212_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Irv Young | ATL | -3.72 | 190709210_ATL_CHN |
| Bill Dinneen | BAL | -1.24 | 190709210_BAL_OAK |
| Art Fromme | SLN | -1.2 | 190709230_LAN_SLN |
| Cy Morgan | BOS | -0.95 | 190709210_CLE_BOS |
| Bill Hogg | NYA | -0.92 | 190709212_DET_NYA |
Based on accumulated WAA for this season up to 1907-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.4 | Mordecai Brown | 218.7 | CHN |
| +003+ | 8.38 | Ed Walsh | 391.3 | CHA |
| +006+ | 7.47 | Carl Lundgren | 192.3 | CHN |
| +008+ | 7.2 | Cy Young | 324.3 | BOS |
| +010+ | 6.64 | Christy Mathewson | 289.7 | SFN |
| +012+ | 6.13 | Addie Joss | 321.7 | CLE |
| +014+ | 5.75 | Bob Ewing | 305.3 | CIN |
| +016+ | 4.6 | Tully Sparks | 247 | PHI |
| +018+ | 4.55 | Sam Leever | 212 | PIT |
| +020+ | 4.13 | Bill Donovan | 235 | DET |
| +021+ | 4.02 | Ed Killian | 300.3 | DET |
| +024+ | 3.75 | Ed Siever | 245.7 | DET |
| +026+ | 3.45 | Ed Karger | 290.7 | SLN |
| +029+ | 3.36 | Vic Willis | 280.3 | PIT |
| +031+ | 3.3 | Chief Bender | 219.3 | OAK |
| +035+ | 3.14 | Doc White | 262.7 | CHA |
| +037+ | 3 | Hooks Wiltse | 181.7 | SFN |
| +039+ | 2.91 | Jack Pfiester | 177.7 | CHN |
| +040+ | 2.84 | Frank Smith | 301 | CHA |
| +041+ | 2.82 | Walter Johnson | 82.3 | MIN |
| +044+ | 2.51 | Glenn Liebhardt | 268.3 | CLE |
| +046+ | 2.49 | Jim Pastorius | 205.3 | LAN |
| +047+ | 2.47 | Eddie Plank | 300.7 | OAK |
| +055+ | 2.17 | Nap Rucker | 256 | LAN |
| +057+ | 2.08 | Dummy Taylor | 160.3 | SFN |
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