| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 6.68 | 190709202_CHA_MIN |
| Carl Lundgren | CHN | 4.92 | 190709221_ATL_CHN |
| Cy Young | BOS | 4.15 | 190709200_CLE_BOS |
| Christy Mathewson | SFN | 2.9 | 190709210_SFN_CIN |
| Addie Joss | CLE | 2.44 | 190709200_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Patten | MIN | -5.37 | 190709202_CHA_MIN |
| Irv Young | ATL | -3.72 | 190709210_ATL_CHN |
| Bill Dinneen | BAL | -1.24 | 190709210_BAL_OAK |
| 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 1907-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.36 | Ed Walsh | 391.3 | CHA |
| +005+ | 7.81 | Orval Overall | 256.3 | CHN |
| +006+ | 7.44 | Carl Lundgren | 192.3 | CHN |
| +008+ | 7.17 | Cy Young | 324.3 | BOS |
| +010+ | 6.6 | Christy Mathewson | 289.7 | SFN |
| +012+ | 6.11 | Addie Joss | 321.7 | CLE |
| +014+ | 5.73 | Bob Ewing | 305.3 | CIN |
| +017+ | 4.55 | Tully Sparks | 247 | PHI |
| +018+ | 4.54 | Sam Leever | 212 | PIT |
| +019+ | 4.12 | Bill Donovan | 235 | DET |
| +020+ | 4.11 | Jim Pastorius | 202.3 | LAN |
| +021+ | 4 | Ed Killian | 300.3 | DET |
| +023+ | 3.83 | Ed Reulbach | 166 | CHN |
| +025+ | 3.73 | Ed Siever | 245.7 | DET |
| +027+ | 3.43 | Ed Karger | 290.7 | SLN |
| +031+ | 3.28 | Chief Bender | 219.3 | OAK |
| +035+ | 3.12 | Doc White | 262.7 | CHA |
| +038+ | 2.89 | Jack Pfiester | 177.7 | CHN |
| +039+ | 2.82 | Frank Smith | 301 | CHA |
| +040+ | 2.81 | Walter Johnson | 82.3 | MIN |
| +041+ | 2.8 | Vic Willis | 271.3 | PIT |
| +046+ | 2.49 | Glenn Liebhardt | 268.3 | CLE |
| +047+ | 2.45 | Jake Weimer | 188 | CIN |
| +048+ | 2.45 | Eddie Plank | 300.7 | OAK |
| +056+ | 2.13 | Nap Rucker | 256 | LAN |
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