| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 6.68 | 190908211_CHN_ATL |
| Christy Mathewson | SFN | 4.24 | 190908210_CIN_SFN |
| Vic Willis | PIT | 2.35 | 190908190_SLN_PIT |
| Cy Morgan | OAK | 2.12 | 190908190_OAK_CLE |
| Frank Arellanes | BOS | 1.16 | 190908210_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Beebe | SLN | -5.19 | 190908200_SLN_LAN |
| Cecil Ferguson | ATL | -5.04 | 190908211_CHN_ATL |
| Kaiser Wilhelm | LAN | -3.95 | 190908192_LAN_ATL |
| Dolly Gray | MIN | -2.45 | 190908200_MIN_DET |
| Lew Brockett | NYA | -1.31 | 190908192_BOS_NYA |
Based on accumulated WAA for this season up to 1909-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.18 | Harry Krause | 158.3 | OAK |
| +002+ | 7.49 | Mordecai Brown | 253.7 | CHN |
| +004+ | 6.79 | Christy Mathewson | 198 | SFN |
| +005+ | 6.61 | Cy Morgan | 209 | TOT |
| +007+ | 5.95 | Addie Joss | 195.7 | CLE |
| +008+ | 5.47 | Ed Reulbach | 179.7 | CHN |
| +009+ | 5.42 | Vic Willis | 237.7 | PIT |
| +010+ | 5.07 | Orval Overall | 198.7 | CHN |
| +011+ | 4.87 | Frank Arellanes | 211.7 | BOS |
| +014+ | 4.53 | Ed Walsh | 148.7 | CHA |
| +018+ | 4.26 | Howie Camnitz | 220 | PIT |
| +020+ | 4.05 | Chief Bender | 177.7 | OAK |
| +022+ | 3.97 | Smoky Joe Wood | 104 | BOS |
| +025+ | 3.92 | Frank Smith | 293.3 | CHA |
| +027+ | 3.7 | Barney Pelty | 146 | BAL |
| +028+ | 3.69 | Doc White | 151.3 | CHA |
| +030+ | 3.4 | Eddie Plank | 188 | OAK |
| +032+ | 3.11 | Hooks Wiltse | 185.7 | SFN |
| +035+ | 2.98 | Ed Summers | 211.7 | DET |
| +034+ | 2.98 | Rube Kroh | 102.3 | CHN |
| +036+ | 2.88 | Nap Rucker | 226 | LAN |
| +037+ | 2.86 | Jim Scott | 176 | CHA |
| +038+ | 2.82 | Ed Killian | 123 | DET |
| +040+ | 2.73 | George Mullin | 224.7 | DET |
| +043+ | 2.47 | Jack Coombs | 168.3 | OAK |
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