| Starter | Tm | Tier | Game |
|---|---|---|---|
| Orval Overall | CHN | 2.61 | 190909040_CHN_CIN |
| Frank Smith | CHA | 2.1 | 190909020_BAL_CHA |
| Addie Joss | CLE | 1.96 | 190909030_DET_CLE |
| Chief Bender | OAK | 1.14 | 190909040_OAK_MIN |
| Nap Rucker | LAN | 0.99 | 190909020_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jean Dubuc | CIN | -4.5 | 190909032_CIN_PHI |
| Dolly Gray | MIN | -2.8 | 190909030_OAK_MIN |
| Al Mattern | ATL | -2.42 | 190909040_ATL_SFN |
| Johnny Lush | SLN | -0.98 | 190909040_SLN_PIT |
| Red Ames | SFN | -0.68 | 190909030_SLN_SFN |
Based on accumulated WAA for this season up to 1909-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.07 | Mordecai Brown | 280.7 | CHN |
| +004+ | 7.53 | Christy Mathewson | 219 | SFN |
| +005+ | 6.87 | Orval Overall | 229.7 | CHN |
| +006+ | 6.85 | Cy Morgan | 233 | TOT |
| +007+ | 6.58 | Harry Krause | 168 | OAK |
| +008+ | 6.37 | Vic Willis | 256.7 | PIT |
| +009+ | 6.04 | Addie Joss | 212.7 | CLE |
| +011+ | 5.73 | Frank Smith | 330 | CHA |
| +012+ | 5.28 | Howie Camnitz | 243 | PIT |
| +014+ | 5.25 | Ed Walsh | 182 | CHA |
| +015+ | 5.1 | Chief Bender | 198.7 | OAK |
| +022+ | 4.61 | Nap Rucker | 253 | LAN |
| +023+ | 4.6 | Ed Reulbach | 204 | CHN |
| +024+ | 4.54 | Frank Arellanes | 222.7 | BOS |
| +025+ | 4.49 | Eddie Plank | 214.3 | OAK |
| +026+ | 4.08 | George Mullin | 251.7 | DET |
| +027+ | 4.05 | Doc White | 153.3 | CHA |
| +029+ | 3.98 | Barney Pelty | 182.3 | BAL |
| +030+ | 3.92 | Art Fromme | 221.3 | CIN |
| +033+ | 3.67 | Smoky Joe Wood | 124.7 | BOS |
| +035+ | 3.47 | Jack Coombs | 181.3 | OAK |
| +037+ | 3.39 | Ed Summers | 235 | DET |
| +039+ | 3.25 | Babe Adams | 83 | PIT |
| +041+ | 3.24 | Cy Falkenberg | 129.7 | CLE |
| +043+ | 3.17 | Rube Kroh | 102.3 | CHN |
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