| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Krause | OAK | 4.73 | 190908090_DET_OAK |
| Addie Joss | CLE | 2.31 | 190908110_CLE_BOS |
| Ed Reulbach | CHN | 1.91 | 190908100_LAN_CHN |
| Howie Camnitz | PIT | 1.22 | 190908110_ATL_PIT |
| Bugs Raymond | SFN | 0.84 | 190908090_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Pastorius | LAN | -5.24 | 190908100_LAN_CHN |
| Dolly Gray | MIN | -3.3 | 190908110_DET_MIN |
| Cecil Ferguson | ATL | -2.72 | 190908090_ATL_PIT |
| Johnny Lush | SLN | -1.18 | 190908100_SFN_SLN |
| Ed Karger | BOS | -0.9 | 190908100_CHA_BOS |
Based on accumulated WAA for this season up to 1909-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.73 | Harry Krause | 149.3 | OAK |
| +002+ | 7.34 | Mordecai Brown | 225.7 | CHN |
| +005+ | 5.42 | Vic Willis | 211 | PIT |
| +006+ | 5.39 | Addie Joss | 186.7 | CLE |
| +007+ | 5.29 | Cy Morgan | 184 | TOT |
| +008+ | 4.78 | Christy Mathewson | 163.3 | SFN |
| +009+ | 4.73 | Ed Reulbach | 162.7 | CHN |
| +010+ | 4.27 | Howie Camnitz | 199 | PIT |
| +013+ | 3.98 | Orval Overall | 182.7 | CHN |
| +016+ | 3.75 | Ed Walsh | 130.7 | CHA |
| +019+ | 3.66 | Doc White | 151.3 | CHA |
| +020+ | 3.58 | Frank Arellanes | 190.7 | BOS |
| +021+ | 3.54 | Smoky Joe Wood | 91 | BOS |
| +022+ | 3.51 | Chief Bender | 157 | OAK |
| +026+ | 3.28 | Cy Young | 228.3 | CLE |
| +027+ | 3.27 | Rube Kroh | 93 | CHN |
| +030+ | 3.17 | Barney Pelty | 127 | BAL |
| +031+ | 3.15 | Bugs Raymond | 218.7 | SFN |
| +032+ | 3.13 | Nap Rucker | 200 | LAN |
| +033+ | 3.04 | Ed Killian | 108.7 | DET |
| +034+ | 3.03 | Frank Smith | 271.3 | CHA |
| +036+ | 2.96 | Eddie Plank | 179 | OAK |
| +037+ | 2.94 | Ed Summers | 196 | DET |
| +041+ | 2.44 | Hooks Wiltse | 165.7 | SFN |
| +042+ | 2.43 | Deacon Phillippe | 111.3 | PIT |
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