| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 5.9 | 190909050_PIT_CHN |
| Christy Mathewson | SFN | 4.36 | 190909062_ATL_SFN |
| Harry Krause | OAK | 3.07 | 190909061_MIN_OAK |
| Vic Willis | PIT | 2.87 | 190909062_CHN_PIT |
| Frank Smith | CHA | 1.97 | 190909050_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | LAN | -3.5 | 190909061_PHI_LAN |
| Fred Beebe | SLN | -3.46 | 190909050_SLN_CIN |
| Al Mattern | ATL | -2.42 | 190909040_ATL_SFN |
| Bob Groom | MIN | -1.52 | 190909062_MIN_OAK |
| Pete Wilson? | NYA | -0.77 | 190909062_NYA_BOS |
Based on accumulated WAA for this season up to 1909-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.97 | Mordecai Brown | 291.7 | CHN |
| +004+ | 7.57 | Christy Mathewson | 229 | SFN |
| +005+ | 7.02 | Orval Overall | 238.7 | CHN |
| +006+ | 6.96 | Harry Krause | 177 | OAK |
| +007+ | 6.94 | Cy Morgan | 233 | TOT |
| +008+ | 6.13 | Addie Joss | 212.7 | CLE |
| +010+ | 5.7 | Vic Willis | 258 | PIT |
| +011+ | 5.69 | Howie Camnitz | 250 | PIT |
| +012+ | 5.36 | Frank Smith | 339 | CHA |
| +013+ | 5.35 | Ed Walsh | 182 | CHA |
| +015+ | 5.24 | Ed Reulbach | 214 | CHN |
| +016+ | 5.17 | Chief Bender | 198.7 | OAK |
| +019+ | 5.03 | Nap Rucker | 262 | LAN |
| +022+ | 4.7 | George Mullin | 260.7 | DET |
| +024+ | 4.62 | Frank Arellanes | 222.7 | BOS |
| +027+ | 4.25 | Eddie Plank | 223.3 | OAK |
| +028+ | 4.13 | Doc White | 153.3 | CHA |
| +031+ | 4.01 | Art Fromme | 221.3 | CIN |
| +033+ | 3.54 | Jack Coombs | 181.3 | OAK |
| +034+ | 3.44 | Babe Adams | 93 | PIT |
| +037+ | 3.3 | Cy Falkenberg | 129.7 | CLE |
| +038+ | 3.19 | Ed Killian | 138.3 | DET |
| +039+ | 3.19 | Rube Kroh | 102.3 | CHN |
| +043+ | 3.08 | Barney Pelty | 188 | BAL |
| +044+ | 3.03 | Earl Moore | 251 | PHI |
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