| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 7.07 | 190706190_CHA_BOS |
| Mordecai Brown | CHN | 6.54 | 190706210_SLN_CHN |
| Christy Mathewson | SFN | 2.74 | 190706190_SFN_CIN |
| Rube Waddell | OAK | 1.41 | 190706210_DET_OAK |
| Bob Ewing | CIN | 1.2 | 190706200_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stoney McGlynn | SLN | -2.82 | 190706200_LAN_SLN |
| Jesse Tannehill | BOS | -2.71 | 190706210_CHA_BOS |
| Cy Falkenberg | MIN | -1.17 | 190706200_CLE_MIN |
| Jack Powell | BAL | -0.93 | 190706200_BAL_NYA |
| Bill Hogg | NYA | -0.67 | 190706190_BAL_NYA |
Based on accumulated WAA for this season up to 1907-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.86 | Ed Walsh | 129.3 | CHA |
| +002+ | 3.88 | Mordecai Brown | 97.7 | CHN |
| +004+ | 3.82 | Addie Joss | 128.7 | CLE |
| +006+ | 3.24 | Ed Killian | 102.3 | DET |
| +007+ | 2.92 | Christy Mathewson | 105 | SFN |
| +008+ | 2.91 | Cy Young | 126 | BOS |
| +009+ | 2.84 | Glenn Liebhardt | 89.3 | CLE |
| +010+ | 2.8 | Fred Glade | 79.7 | BAL |
| +011+ | 2.74 | Bob Ewing | 138 | CIN |
| +012+ | 2.65 | Joe McGinnity | 127.3 | SFN |
| +013+ | 2.44 | Jim Pastorius | 68 | LAN |
| +015+ | 2.24 | Frank Smith | 109.7 | CHA |
| +016+ | 2.16 | Bill Donovan | 50 | DET |
| +017+ | 2.07 | George Bell | 105.7 | LAN |
| +020+ | 1.98 | Andy Coakley | 83.3 | CIN |
| +022+ | 1.94 | Nick Altrock | 95.3 | CHA |
| +026+ | 1.73 | Fred Beebe | 135.7 | SLN |
| +029+ | 1.69 | Jack Pfiester | 73.7 | CHN |
| +032+ | 1.55 | Lefty Leifield | 123 | PIT |
| +035+ | 1.49 | Harry Howell | 133.3 | BAL |
| +038+ | 1.41 | Ed Siever | 79.7 | DET |
| +040+ | 1.36 | Patsy Flaherty | 97.7 | ATL |
| +042+ | 1.34 | Sam Leever | 70.7 | PIT |
| XXXXX | 1.1 | Casey Patten | 105.3 | MIN |
| XXXXX | 1.1 | Tex Pruiett | 60 | BOS |
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