| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Krause | OAK | 4.99 | 190908160_OAK_MIN |
| Christy Mathewson | SFN | 3.48 | 190908160_SFN_PIT |
| Vic Willis | PIT | 2.53 | 190908160_SFN_PIT |
| Addie Joss | CLE | 2.15 | 190908171_BAL_CLE |
| Ed Reulbach | CHN | 1.94 | 190908180_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Slim Sallee | SLN | -2.76 | 190908170_SLN_PIT |
| Jack Chesbro | NYA | -2.06 | 190908182_BOS_NYA |
| Bill Dinneen | BAL | -0.97 | 190908172_BAL_CLE |
| Walter Johnson | MIN | -0.42 | 190908170_OAK_MIN |
| Nick Maddox | PIT | -0.17 | 190908170_SLN_PIT |
Based on accumulated WAA for this season up to 1909-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.17 | Harry Krause | 158.3 | OAK |
| +002+ | 7.39 | Mordecai Brown | 244.7 | CHN |
| +005+ | 5.98 | Cy Morgan | 196 | TOT |
| +006+ | 5.94 | Addie Joss | 195.7 | CLE |
| +007+ | 5.6 | Christy Mathewson | 180.3 | SFN |
| +008+ | 5.53 | Vic Willis | 228 | PIT |
| +009+ | 5.45 | Ed Reulbach | 179.7 | CHN |
| +010+ | 5.05 | Orval Overall | 198.7 | CHN |
| +011+ | 4.8 | Howie Camnitz | 216 | PIT |
| +013+ | 4.55 | Ed Walsh | 148.7 | CHA |
| +018+ | 4.1 | Frank Arellanes | 199.7 | BOS |
| +019+ | 4.04 | Chief Bender | 177.7 | OAK |
| +020+ | 3.96 | Smoky Joe Wood | 104 | BOS |
| +025+ | 3.7 | Doc White | 151.3 | CHA |
| +026+ | 3.69 | Barney Pelty | 146 | BAL |
| +028+ | 3.44 | Ed Killian | 117.7 | DET |
| +029+ | 3.39 | Eddie Plank | 188 | OAK |
| +032+ | 3.19 | Bugs Raymond | 236.7 | SFN |
| +033+ | 3.16 | Frank Smith | 280.3 | CHA |
| +035+ | 3.13 | Hooks Wiltse | 183.7 | SFN |
| +036+ | 3.1 | Jim Scott | 168 | CHA |
| +037+ | 3.09 | Ed Summers | 208 | DET |
| +038+ | 2.89 | Rube Kroh | 93.3 | CHN |
| +040+ | 2.71 | Cy Young | 241.3 | CLE |
| +041+ | 2.7 | George Mullin | 224.7 | DET |
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