| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 7.23 | 190909160_SFN_CHN |
| Christy Mathewson | SFN | 4.23 | 190909160_SFN_CHN |
| Harry Krause | OAK | 3.59 | 190909170_DET_OAK |
| Frank Smith | CHA | 2.32 | 190909182_CHA_BOS |
| Vic Willis | PIT | 1.94 | 190909180_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Beebe | SLN | -3.38 | 190909180_PHI_SLN |
| Harry McIntire | LAN | -1.94 | 190909170_LAN_PIT |
| Bob Groom | MIN | -1.81 | 190909162_BAL_MIN |
| Red Ames | SFN | -0.94 | 190909180_SFN_CHN |
| Lew Moren | PHI | -0.33 | 190909180_PHI_SLN |
Based on accumulated WAA for this season up to 1909-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.61 | Mordecai Brown | 329.7 | CHN |
| +004+ | 8.68 | Orval Overall | 266.7 | CHN |
| +005+ | 8.65 | Christy Mathewson | 247 | SFN |
| +006+ | 7.18 | Harry Krause | 195 | OAK |
| +007+ | 6.88 | Ed Walsh | 213 | CHA |
| +009+ | 6.53 | Vic Willis | 276 | PIT |
| +010+ | 6.5 | Frank Smith | 363 | CHA |
| +011+ | 6.49 | Cy Morgan | 266 | TOT |
| +012+ | 5.65 | Addie Joss | 229.7 | CLE |
| +013+ | 5.55 | Ed Reulbach | 233 | CHN |
| +014+ | 5.52 | Eddie Plank | 241.3 | OAK |
| +017+ | 5.44 | Howie Camnitz | 265 | PIT |
| +018+ | 5.35 | George Mullin | 285.7 | DET |
| +022+ | 5.05 | Nap Rucker | 284 | LAN |
| +023+ | 5.04 | Chief Bender | 222.7 | OAK |
| +025+ | 4.83 | Art Fromme | 246.3 | CIN |
| +029+ | 4.31 | Earl Moore | 269 | PHI |
| +030+ | 4.18 | Doc White | 165.3 | CHA |
| +036+ | 3.81 | Babe Adams | 108 | PIT |
| +038+ | 3.77 | Jack Coombs | 189.3 | OAK |
| +040+ | 3.4 | Ed Killian | 149.3 | DET |
| +041+ | 3.21 | Rube Kroh | 102.3 | CHN |
| +042+ | 3.08 | Smoky Joe Wood | 147.7 | BOS |
| +045+ | 2.77 | Ed Summers | 263.7 | DET |
| +046+ | 2.68 | Cy Young | 280.3 | CLE |
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