| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 8.53 | 190707280_ATL_CHN |
| Cy Young | BOS | 2.73 | 190707300_CLE_BOS |
| Christy Mathewson | SFN | 2.25 | 190707290_SFN_SLN |
| Ed Killian | DET | 1.36 | 190707300_DET_NYA |
| Doc White | CHA | 1.33 | 190707302_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Patten | MIN | -3.63 | 190707301_CHA_MIN |
| Bill Duggleby? | PIT | -1.68 | 190707290_ATL_PIT |
| Art Fromme | SLN | -1.45 | 190707282_LAN_SLN |
| Jack Powell | BAL | -1.06 | 190707300_BAL_OAK |
| Vive Lindaman | ATL | -1 | 190707290_ATL_PIT |
Based on accumulated WAA for this season up to 1907-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.47 | Mordecai Brown | 173.7 | CHN |
| +002+ | 6.61 | Ed Walsh | 250.3 | CHA |
| +003+ | 5.77 | Cy Young | 216.3 | BOS |
| +004+ | 5.56 | Carl Lundgren | 129.7 | CHN |
| +006+ | 4.97 | Addie Joss | 201.7 | CLE |
| +007+ | 4.39 | Christy Mathewson | 170.7 | SFN |
| +009+ | 4.21 | Ed Killian | 182.3 | DET |
| +011+ | 4.07 | Bob Ewing | 202 | CIN |
| +013+ | 3.78 | Orval Overall | 159.3 | CHN |
| +014+ | 3.71 | Frank Smith | 182 | CHA |
| +016+ | 3.67 | Jim Pastorius | 121 | LAN |
| +017+ | 3.64 | Glenn Liebhardt | 180.3 | CLE |
| +020+ | 3.36 | Andy Coakley | 147.7 | CIN |
| +021+ | 3.02 | Ed Siever | 144.7 | DET |
| +026+ | 2.48 | Ed Reulbach | 99.7 | CHN |
| +027+ | 2.31 | Tex Pruiett | 102.3 | BOS |
| +030+ | 2.17 | Patsy Flaherty | 124.7 | ATL |
| +032+ | 2.02 | Tully Sparks | 132 | PHI |
| +038+ | 1.85 | Nick Altrock | 137.3 | CHA |
| +039+ | 1.81 | Howie Camnitz | 74.7 | PIT |
| +040+ | 1.81 | Lefty Leifield | 188 | PIT |
| +044+ | 1.7 | Bill Donovan | 118.3 | DET |
| +047+ | 1.62 | Jack Pfiester | 102 | CHN |
| +052+ | 1.56 | Vic Willis | 180 | PIT |
| +054+ | 1.52 | Ed Karger | 174.3 | SLN |
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