| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 5.97 | 190908250_CHN_PHI |
| Christy Mathewson | SFN | 4.75 | 190908250_PIT_SFN |
| Cy Morgan | OAK | 2.83 | 190908270_OAK_BAL |
| Vic Willis | PIT | 2.15 | 190908270_PIT_LAN |
| Ed Walsh | CHA | 1.98 | 190908261_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | LAN | -2.95 | 190908270_PIT_LAN |
| Slim Sallee | SLN | -2.94 | 190908250_SLN_ATL |
| Bob Rhoads | CLE | -1.17 | 190908250_MIN_CLE |
| Al Mattern | ATL | -1.05 | 190908260_SLN_ATL |
| Lew Brockett | NYA | -0.79 | 190908250_NYA_BAL |
Based on accumulated WAA for this season up to 1909-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.62 | Mordecai Brown | 261.7 | CHN |
| +003+ | 7.41 | Christy Mathewson | 208 | SFN |
| +005+ | 7.15 | Harry Krause | 166 | OAK |
| +006+ | 6.56 | Cy Morgan | 226 | TOT |
| +007+ | 5.92 | Vic Willis | 247.7 | PIT |
| +008+ | 5.83 | Addie Joss | 196.7 | CLE |
| +009+ | 5.31 | Orval Overall | 211.7 | CHN |
| +013+ | 4.94 | Frank Arellanes | 218.7 | BOS |
| +014+ | 4.77 | Ed Reulbach | 189 | CHN |
| +015+ | 4.65 | Howie Camnitz | 229 | PIT |
| +017+ | 4.5 | Ed Walsh | 166 | CHA |
| +020+ | 4.23 | Frank Smith | 303 | CHA |
| +021+ | 4.23 | George Mullin | 242.7 | DET |
| +025+ | 3.96 | Barney Pelty | 165.3 | BAL |
| +026+ | 3.93 | Chief Bender | 180.7 | OAK |
| +027+ | 3.88 | Nap Rucker | 235 | LAN |
| +028+ | 3.88 | Smoky Joe Wood | 117.7 | BOS |
| +030+ | 3.78 | Doc White | 151.3 | CHA |
| +032+ | 3.52 | Eddie Plank | 196.3 | OAK |
| +033+ | 3.39 | Art Fromme | 202.3 | CIN |
| +035+ | 3.11 | Rube Kroh | 102.3 | CHN |
| +036+ | 3.02 | Jack Rowan | 156.3 | CIN |
| +038+ | 2.98 | Ed Killian | 123 | DET |
| +040+ | 2.86 | Jack Powell | 198.3 | BAL |
| +042+ | 2.83 | Jim Scott | 185 | CHA |
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