| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 5.27 | 190909252_SFN_CIN |
| Cy Morgan | OAK | 3.13 | 190909252_CLE_OAK |
| Howie Camnitz | PIT | 2.49 | 190909250_PHI_PIT |
| Addie Joss | CLE | 1.89 | 190909251_CLE_OAK |
| George Mullin | DET | 1.89 | 190909252_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Beebe | SLN | -4.15 | 190909250_LAN_SLN |
| Al Mattern | ATL | -3.34 | 190909250_ATL_CHN |
| Bob Groom | MIN | -1.84 | 190909251_CHA_MIN |
| Rube Manning | NYA | -1.12 | 190909251_DET_NYA |
| Rube Marquard | SFN | -0.89 | 190909261_SFN_CIN |
Based on accumulated WAA for this season up to 1909-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.77 | Mordecai Brown | 333.7 | CHN |
| +004+ | 9.1 | Christy Mathewson | 265 | SFN |
| +005+ | 8.56 | Orval Overall | 266.7 | CHN |
| +006+ | 7.85 | Harry Krause | 205 | OAK |
| +007+ | 7.63 | Cy Morgan | 284 | TOT |
| +009+ | 6.99 | Howie Camnitz | 283 | PIT |
| +010+ | 6.91 | Vic Willis | 282 | PIT |
| +011+ | 6.8 | Frank Smith | 363.7 | CHA |
| +012+ | 6.74 | Ed Walsh | 220 | CHA |
| +016+ | 5.85 | Chief Bender | 231.7 | OAK |
| +017+ | 5.77 | Eddie Plank | 253.7 | OAK |
| +019+ | 5.48 | George Mullin | 300.7 | DET |
| +021+ | 5.24 | Addie Joss | 240.7 | CLE |
| +022+ | 5.24 | Ed Reulbach | 241 | CHN |
| +023+ | 5.14 | Art Fromme | 263.3 | CIN |
| +026+ | 4.85 | Nap Rucker | 300 | LAN |
| +027+ | 4.57 | Babe Adams | 117 | PIT |
| +031+ | 4.38 | Earl Moore | 284 | PHI |
| +036+ | 3.97 | Rube Kroh | 120.3 | CHN |
| +038+ | 3.8 | Jack Coombs | 194 | OAK |
| +037+ | 3.8 | Doc White | 175 | CHA |
| +041+ | 3.72 | Ed Killian | 157.3 | DET |
| +042+ | 3.65 | Smoky Joe Wood | 156.7 | BOS |
| +043+ | 3.26 | Ed Summers | 280.7 | DET |
| +047+ | 2.86 | Hooks Wiltse | 249.7 | SFN |
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