| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 7.99 | 190708020_SFN_CHN |
| Ed Walsh | CHA | 6.79 | 190708031_CHA_NYA |
| Cy Young | BOS | 3.36 | 190708030_BAL_BOS |
| Christy Mathewson | SFN | 2.26 | 190708020_SFN_CHN |
| Bob Ewing | CIN | 1.33 | 190708020_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Irv Young | ATL | -5.26 | 190708042_ATL_CIN |
| Tom Hughes | MIN | -1.22 | 190708022_DET_MIN |
| George Mullin | DET | -1.17 | 190708030_DET_MIN |
| Jack Chesbro | NYA | -1.07 | 190708031_CHA_NYA |
| Jack Powell | BAL | -0.89 | 190708030_BAL_BOS |
Based on accumulated WAA for this season up to 1907-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.26 | Mordecai Brown | 182.7 | CHN |
| +002+ | 7.61 | Ed Walsh | 268.3 | CHA |
| +004+ | 5.6 | Carl Lundgren | 129.7 | CHN |
| +005+ | 5.44 | Addie Joss | 210.7 | CLE |
| +006+ | 5.37 | Cy Young | 225.3 | BOS |
| +011+ | 4.38 | Bob Ewing | 211 | CIN |
| +012+ | 4.36 | Ed Killian | 190.3 | DET |
| +013+ | 4.15 | Orval Overall | 168.3 | CHN |
| +014+ | 4.11 | Christy Mathewson | 178.7 | SFN |
| +015+ | 4.04 | Andy Coakley | 161.7 | CIN |
| +016+ | 4.03 | Frank Smith | 200 | CHA |
| +017+ | 3.89 | Glenn Liebhardt | 189.3 | CLE |
| +020+ | 3.81 | Ed Reulbach | 120.7 | CHN |
| +021+ | 3.44 | Ed Siever | 153.7 | DET |
| +022+ | 3.4 | Jim Pastorius | 129.3 | LAN |
| +024+ | 2.94 | Tex Pruiett | 109.3 | BOS |
| +026+ | 2.69 | Patsy Flaherty | 133.7 | ATL |
| +027+ | 2.67 | Tully Sparks | 141 | PHI |
| +031+ | 2.44 | Lew Moren | 165.7 | PHI |
| +036+ | 2.07 | Lefty Leifield | 197 | PIT |
| +038+ | 2 | Chief Bender | 134.3 | OAK |
| +039+ | 1.97 | Jack Pfiester | 111 | CHN |
| +040+ | 1.89 | Bill Donovan | 127.3 | DET |
| +041+ | 1.88 | Sam Leever | 132.3 | PIT |
| +044+ | 1.76 | Hooks Wiltse | 137.7 | SFN |
_