| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 7.76 | 190909200_SFN_CHN |
| Frank Smith | CHA | 2.32 | 190909182_CHA_BOS |
| Vic Willis | PIT | 1.94 | 190909180_LAN_PIT |
| Nap Rucker | LAN | 1.81 | 190909180_LAN_PIT |
| Eddie Plank | OAK | 1.79 | 190909200_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Beebe | SLN | -3.38 | 190909180_PHI_SLN |
| Red Ames | SFN | -0.94 | 190909180_SFN_CHN |
| Chuck Rose | BAL | -0.58 | 190909200_BAL_MIN |
| Lew Moren | PHI | -0.33 | 190909180_PHI_SLN |
| Bill Donovan | DET | -0.32 | 190909180_DET_OAK |
Based on accumulated WAA for this season up to 1909-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.68 | Mordecai Brown | 333.7 | CHN |
| +005+ | 8.48 | Christy Mathewson | 247 | SFN |
| +004+ | 8.48 | Orval Overall | 266.7 | CHN |
| +006+ | 7.2 | Harry Krause | 195 | OAK |
| +007+ | 6.92 | Ed Walsh | 213 | CHA |
| +009+ | 6.62 | Frank Smith | 363.7 | CHA |
| +010+ | 6.57 | Vic Willis | 276 | PIT |
| +011+ | 6.52 | Cy Morgan | 266 | TOT |
| +013+ | 5.66 | Eddie Plank | 250.3 | OAK |
| +016+ | 5.52 | Addie Joss | 232.7 | CLE |
| +017+ | 5.48 | Howie Camnitz | 265 | PIT |
| +018+ | 5.41 | George Mullin | 285.7 | DET |
| +021+ | 5.11 | Nap Rucker | 284 | LAN |
| +022+ | 5.09 | Ed Reulbach | 240 | CHN |
| +023+ | 5.06 | Chief Bender | 222.7 | OAK |
| +025+ | 4.86 | Art Fromme | 246.3 | CIN |
| +029+ | 4.34 | Earl Moore | 269 | PHI |
| +031+ | 4.22 | Doc White | 165.3 | CHA |
| +036+ | 3.82 | Babe Adams | 108 | PIT |
| +037+ | 3.79 | Jack Coombs | 189.3 | OAK |
| +040+ | 3.43 | Ed Killian | 149.3 | DET |
| +041+ | 3.13 | Rube Kroh | 102.3 | CHN |
| +042+ | 3.1 | Smoky Joe Wood | 147.7 | BOS |
| +047+ | 2.67 | Deacon Phillippe | 130.3 | PIT |
| +048+ | 2.62 | Ed Summers | 271.7 | DET |
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