| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 3.1 | 190908192_SFN_PHI |
| Vic Willis | PIT | 2.35 | 190908190_SLN_PIT |
| Addie Joss | CLE | 2.15 | 190908171_BAL_CLE |
| Cy Morgan | OAK | 2.12 | 190908190_OAK_CLE |
| Ed Reulbach | CHN | 1.94 | 190908180_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | LAN | -3.95 | 190908192_LAN_ATL |
| Slim Sallee | SLN | -2.76 | 190908170_SLN_PIT |
| Jack Chesbro | NYA | -2.06 | 190908182_BOS_NYA |
| Al Mattern | ATL | -2.03 | 190908191_LAN_ATL |
| Bob Rhoads | CLE | -1.03 | 190908190_OAK_CLE |
Based on accumulated WAA for this season up to 1909-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.14 | Harry Krause | 158.3 | OAK |
| +002+ | 7.35 | Mordecai Brown | 244.7 | CHN |
| +004+ | 6.45 | Cy Morgan | 205 | TOT |
| +005+ | 6.04 | Christy Mathewson | 189 | SFN |
| +007+ | 5.91 | Addie Joss | 195.7 | CLE |
| +008+ | 5.56 | Vic Willis | 237 | PIT |
| +009+ | 5.42 | Ed Reulbach | 179.7 | CHN |
| +010+ | 5.01 | Orval Overall | 198.7 | CHN |
| +012+ | 4.77 | Howie Camnitz | 216 | PIT |
| +013+ | 4.54 | Ed Walsh | 148.7 | CHA |
| +019+ | 4.1 | Frank Arellanes | 202.7 | BOS |
| +020+ | 4.01 | Chief Bender | 177.7 | OAK |
| +022+ | 3.94 | Smoky Joe Wood | 104 | BOS |
| +025+ | 3.69 | Doc White | 151.3 | CHA |
| +026+ | 3.67 | Barney Pelty | 146 | BAL |
| +027+ | 3.55 | Frank Smith | 288.3 | CHA |
| +030+ | 3.42 | Ed Killian | 117.7 | DET |
| +031+ | 3.36 | Eddie Plank | 188 | OAK |
| +033+ | 3.18 | Bugs Raymond | 236.7 | SFN |
| +034+ | 3.12 | Hooks Wiltse | 183.7 | SFN |
| +035+ | 3.09 | Jim Scott | 168 | CHA |
| +037+ | 3.06 | Ed Summers | 208 | DET |
| +038+ | 2.88 | Rube Kroh | 93.3 | CHN |
| +039+ | 2.7 | Nap Rucker | 215 | LAN |
| +041+ | 2.67 | George Mullin | 224.7 | DET |
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