| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 5.78 | 190908280_CHN_SFN |
| Christy Mathewson | SFN | 5.25 | 190908280_CHN_SFN |
| Cy Morgan | OAK | 2.83 | 190908270_OAK_BAL |
| Addie Joss | CLE | 2.54 | 190908280_BOS_CLE |
| Vic Willis | PIT | 2.15 | 190908270_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Slim Sallee | SLN | -3.92 | 190908281_SLN_PHI |
| Kaiser Wilhelm | LAN | -2.95 | 190908270_PIT_LAN |
| Dolly Gray | MIN | -2.66 | 190908281_MIN_CHA |
| Al Mattern | ATL | -1.05 | 190908260_SLN_ATL |
| Bill Dinneen | BAL | -0.66 | 190908260_NYA_BAL |
Based on accumulated WAA for this season up to 1909-08-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.12 | Mordecai Brown | 270.7 | CHN |
| +004+ | 7.15 | Harry Krause | 166 | OAK |
| +005+ | 6.73 | Christy Mathewson | 210 | SFN |
| +006+ | 6.56 | Cy Morgan | 226 | TOT |
| +007+ | 5.92 | Vic Willis | 247.7 | PIT |
| +008+ | 5.56 | Addie Joss | 203.7 | CLE |
| +009+ | 5.31 | Orval Overall | 211.7 | CHN |
| +012+ | 4.93 | Frank Arellanes | 218.7 | BOS |
| +015+ | 4.77 | Ed Reulbach | 189 | CHN |
| +016+ | 4.74 | Howie Camnitz | 238 | PIT |
| +017+ | 4.73 | Frank Smith | 312 | CHA |
| +018+ | 4.51 | Ed Walsh | 166 | CHA |
| +022+ | 4.23 | George Mullin | 242.7 | DET |
| +025+ | 3.98 | Nap Rucker | 244 | LAN |
| +026+ | 3.96 | Barney Pelty | 165.3 | BAL |
| +027+ | 3.93 | Chief Bender | 180.7 | OAK |
| +028+ | 3.88 | Smoky Joe Wood | 117.7 | BOS |
| +030+ | 3.79 | Doc White | 151.3 | CHA |
| +032+ | 3.52 | Eddie Plank | 196.3 | OAK |
| +034+ | 3.45 | Jack Coombs | 177.3 | OAK |
| +035+ | 3.25 | Art Fromme | 203.3 | CIN |
| +037+ | 3.15 | Ed Summers | 229 | DET |
| +038+ | 3.11 | Rube Kroh | 102.3 | CHN |
| +039+ | 3.01 | Jack Rowan | 156.3 | CIN |
| +040+ | 2.98 | Ed Killian | 123 | DET |
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