| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 4.66 | 190909220_SFN_SLN |
| Ed Walsh | CHA | 2.96 | 190909231_CHA_NYA |
| Eddie Plank | OAK | 1.78 | 190909230_BAL_OAK |
| George Mullin | DET | 1.53 | 190909220_DET_MIN |
| Nap Rucker | LAN | 1.5 | 190909240_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Groom | MIN | -2.04 | 190909230_DET_MIN |
| Bob Harmon | SLN | -1.82 | 190909240_LAN_SLN |
| Ed Kusel? | BAL | -1.39 | 190909230_BAL_OAK |
| Doc Scanlan | LAN | -0.76 | 190909231_LAN_CHN |
| Red Ames | SFN | -0.68 | 190909240_SFN_CIN |
Based on accumulated WAA for this season up to 1909-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.82 | Mordecai Brown | 333.7 | CHN |
| +004+ | 8.69 | Christy Mathewson | 256 | SFN |
| +005+ | 8.59 | Orval Overall | 266.7 | CHN |
| +006+ | 7.89 | Harry Krause | 205 | OAK |
| +008+ | 6.96 | Vic Willis | 282 | PIT |
| +009+ | 6.94 | Cy Morgan | 275 | TOT |
| +010+ | 6.85 | Frank Smith | 363.7 | CHA |
| +011+ | 6.77 | Ed Walsh | 220 | CHA |
| +012+ | 6.31 | Howie Camnitz | 274 | PIT |
| +014+ | 5.82 | Eddie Plank | 253.7 | OAK |
| +018+ | 5.64 | George Mullin | 294.7 | DET |
| +020+ | 5.27 | Ed Reulbach | 241 | CHN |
| +022+ | 5.15 | Chief Bender | 222.7 | OAK |
| +025+ | 4.96 | Art Fromme | 254.3 | CIN |
| +026+ | 4.71 | Nap Rucker | 293 | LAN |
| +027+ | 4.59 | Babe Adams | 117 | PIT |
| +031+ | 4.41 | Earl Moore | 284 | PHI |
| +036+ | 3.83 | Jack Coombs | 194 | OAK |
| +038+ | 3.72 | Ed Killian | 157.3 | DET |
| +040+ | 3.69 | Rube Kroh | 111.3 | CHN |
| +039+ | 3.69 | Smoky Joe Wood | 156.7 | BOS |
| +042+ | 3.32 | Doc White | 166 | CHA |
| +045+ | 2.92 | Hooks Wiltse | 249.3 | SFN |
| +047+ | 2.76 | Ed Summers | 271.7 | DET |
| +048+ | 2.72 | Deacon Phillippe | 130.3 | PIT |
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