| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 7.35 | 190707080_CHN_LAN |
| Ed Walsh | CHA | 6.72 | 190707100_OAK_CHA |
| Addie Joss | CLE | 2.44 | 190707102_BOS_CLE |
| Joe McGinnity | SFN | 2.18 | 190707092_SLN_SFN |
| Cy Young | BOS | 1.84 | 190707102_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doc Scanlan | LAN | -2.03 | 190707100_CHN_LAN |
| Jack Powell | BAL | -1.93 | 190707090_MIN_BAL |
| Buster Brown | PHI | -1.75 | 190707092_PIT_PHI |
| Jesse Tannehill | BOS | -1.66 | 190707080_BOS_DET |
| Al Orth | NYA | -1.52 | 190707090_NYA_CLE |
Based on accumulated WAA for this season up to 1907-07-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.9 | Mordecai Brown | 132.3 | CHN |
| +002+ | 5.89 | Ed Walsh | 193.3 | CHA |
| +003+ | 5.49 | Addie Joss | 170.7 | CLE |
| +004+ | 5.1 | Carl Lundgren | 110 | CHN |
| +007+ | 3.92 | Glenn Liebhardt | 129.3 | CLE |
| +008+ | 3.84 | Cy Young | 169 | BOS |
| +009+ | 3.43 | Frank Smith | 149.7 | CHA |
| +010+ | 3.35 | Ed Killian | 142.3 | DET |
| +011+ | 3.34 | Joe McGinnity | 172 | SFN |
| +012+ | 3.32 | Bob Ewing | 168 | CIN |
| +013+ | 3.04 | Jim Pastorius | 105 | LAN |
| +017+ | 2.72 | Sam Leever | 109.3 | PIT |
| +018+ | 2.51 | Doc White | 135.7 | CHA |
| +020+ | 2.45 | Orval Overall | 123.7 | CHN |
| +024+ | 2.32 | Jack Pfiester | 89 | CHN |
| +026+ | 2.29 | Lefty Leifield | 164 | PIT |
| +027+ | 2.27 | Christy Mathewson | 123.7 | SFN |
| +029+ | 2 | Andy Coakley | 113.7 | CIN |
| +031+ | 1.84 | Tex Pruiett | 88.7 | BOS |
| +033+ | 1.77 | Ed Siever | 115.7 | DET |
| +037+ | 1.7 | Ed Reulbach | 66.3 | CHN |
| +038+ | 1.59 | Harry Howell | 152.3 | BAL |
| +039+ | 1.58 | Fred Glade | 112.7 | BAL |
| +047+ | 1.51 | Bob Rhoads | 125.7 | CLE |
| +053+ | 1.3 | Bill Donovan | 87 | DET |
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