| Starter | Tm | Tier | Game |
|---|---|---|---|
| Big Jeff Pfeffer | ATL | -1.21 | 190705080_CIN_ATL |
| Stoney McGlynn | SLN | -1.04 | 190705080_SLN_PHI |
| Bob Rhoads | CLE | -0.52 | 190705070_CLE_CHA |
| Frank Corridon | PHI | -0.18 | 190705070_PHI_ATL |
| Beany Jacobson | BAL | -0.05 | 190705070_DET_BAL |
Based on accumulated WAA for this season up to 1907-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.57 | Addie Joss | 48.7 | CLE |
| +002+ | 2.22 | Carl Lundgren | 32 | CHN |
| +004+ | 1.88 | Christy Mathewson | 35 | SFN |
| +005+ | 1.78 | Lefty Leifield | 41.3 | PIT |
| +006+ | 1.63 | Ed Walsh | 42.7 | CHA |
| +007+ | 1.62 | Bob Ewing | 47 | CIN |
| +008+ | 1.47 | Nick Altrock | 55 | CHA |
| +009+ | 1.42 | Ralph Glaze | 27 | BOS |
| +011+ | 1.37 | Harry Howell | 53.7 | BAL |
| +012+ | 1.25 | Ed Karger | 27 | SLN |
| XXXXX | 1.24 | George Mullin | 58 | DET |
| XXXXX | 1.22 | Red Ames | 40 | SFN |
| XXXXX | 1.12 | Vive Lindaman | 27 | ATL |
| XXXXX | 1.11 | Hooks Wiltse | 17 | SFN |
| XXXXX | 1.11 | Orval Overall | 45 | CHN |
| XXXXX | 0.94 | Johnny Lush | 44.3 | PHI |
| XXXXX | 0.93 | Mordecai Brown | 26 | CHN |
| XXXXX | 0.82 | Cy Young | 44 | BOS |
| XXXXX | 0.77 | Jack Pfiester | 26.7 | CHN |
| XXXXX | 0.76 | Glenn Liebhardt | 39 | CLE |
| XXXXX | 0.65 | Ed Siever | 44 | DET |
| XXXXX | 0.65 | Vic Willis | 35 | PIT |
| XXXXX | 0.61 | Joe McGinnity | 43 | SFN |
| XXXXX | 0.59 | Al Orth | 43 | NYA |
| XXXXX | 0.59 | Jack Powell | 10 | BAL |
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