| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 6.21 | 190709150_CLE_CHA |
| Cy Young | BOS | 4.63 | 190709141_BOS_OAK |
| Carl Lundgren | CHN | 4.11 | 190709150_CIN_CHN |
| Addie Joss | CLE | 2.29 | 190709161_BAL_CLE |
| Tully Sparks | PHI | 1.14 | 190709161_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Irv Young | ATL | -5.14 | 190709161_SFN_ATL |
| Cy Falkenberg | MIN | -1.35 | 190709162_BOS_MIN |
| Bill Dinneen | BAL | -1.34 | 190709161_BAL_CLE |
| Cy Morgan | BOS | -1.05 | 190709142_BOS_OAK |
| Johnny Lush | SLN | -1.03 | 190709162_PIT_SLN |
Based on accumulated WAA for this season up to 1907-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.21 | Mordecai Brown | 216.7 | CHN |
| +003+ | 9 | Ed Walsh | 382.7 | CHA |
| +005+ | 7.87 | Carl Lundgren | 187.3 | CHN |
| +006+ | 7.51 | Orval Overall | 242.3 | CHN |
| +007+ | 7.15 | Cy Young | 316.3 | BOS |
| +009+ | 6.83 | Christy Mathewson | 272.7 | SFN |
| +013+ | 5.61 | Addie Joss | 312.7 | CLE |
| +014+ | 5.58 | Bob Ewing | 298 | CIN |
| +017+ | 4.58 | Tully Sparks | 238 | PHI |
| +019+ | 3.83 | Sam Leever | 203 | PIT |
| +018+ | 3.83 | Ed Reulbach | 166 | CHN |
| +021+ | 3.64 | Ed Killian | 287.3 | DET |
| +022+ | 3.63 | Frank Smith | 286 | CHA |
| +024+ | 3.59 | Jim Pastorius | 193.3 | LAN |
| +027+ | 3.33 | Ed Siever | 239.7 | DET |
| +028+ | 3.32 | Ed Karger | 281.7 | SLN |
| +029+ | 3.3 | Chief Bender | 219.3 | OAK |
| +031+ | 3.27 | Bill Donovan | 226 | DET |
| +037+ | 2.78 | Jack Pfiester | 168.7 | CHN |
| +040+ | 2.65 | Doc White | 244.7 | CHA |
| +043+ | 2.58 | Lew Moren | 236.7 | PHI |
| +045+ | 2.5 | Walter Johnson | 73.3 | MIN |
| +052+ | 2.09 | Vic Willis | 262.3 | PIT |
| +053+ | 2.06 | Jake Weimer | 178 | CIN |
| +056+ | 1.98 | George Winter | 227 | BOS |
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