| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 7.08 | 190908121_SFN_CHN |
| Christy Mathewson | SFN | 2.8 | 190908122_SFN_CHN |
| Vic Willis | PIT | 2.56 | 190908121_PHI_PIT |
| Addie Joss | CLE | 2.31 | 190908110_CLE_BOS |
| Cy Morgan | OAK | 1.03 | 190908110_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Pastorius | LAN | -5.24 | 190908100_LAN_CHN |
| Cecil Ferguson | ATL | -3.8 | 190908122_ATL_CIN |
| Dolly Gray | MIN | -3.3 | 190908110_DET_MIN |
| Slim Sallee | SLN | -1.63 | 190908120_LAN_SLN |
| Ed Karger | BOS | -0.9 | 190908100_CHA_BOS |
Based on accumulated WAA for this season up to 1909-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.76 | Harry Krause | 149.3 | OAK |
| +002+ | 7.05 | Mordecai Brown | 234.7 | CHN |
| +005+ | 5.53 | Vic Willis | 220 | PIT |
| +006+ | 5.52 | Christy Mathewson | 172.3 | SFN |
| +007+ | 5.44 | Addie Joss | 186.7 | CLE |
| +008+ | 5.33 | Cy Morgan | 184 | TOT |
| +009+ | 4.77 | Ed Reulbach | 162.7 | CHN |
| +011+ | 4.3 | Howie Camnitz | 199 | PIT |
| +012+ | 4.03 | Orval Overall | 182.7 | CHN |
| +016+ | 3.79 | Ed Walsh | 130.7 | CHA |
| +018+ | 3.7 | Doc White | 151.3 | CHA |
| +022+ | 3.63 | Frank Arellanes | 190.7 | BOS |
| +024+ | 3.43 | Chief Bender | 166 | OAK |
| +026+ | 3.3 | Rube Kroh | 93 | CHN |
| +027+ | 3.26 | Smoky Joe Wood | 95 | BOS |
| +029+ | 3.22 | Barney Pelty | 127 | BAL |
| +030+ | 3.21 | Bugs Raymond | 218.7 | SFN |
| +032+ | 3.1 | Frank Smith | 271.3 | CHA |
| +033+ | 3.06 | Ed Killian | 108.7 | DET |
| +034+ | 3 | Eddie Plank | 179 | OAK |
| +035+ | 2.98 | Ed Summers | 196 | DET |
| +037+ | 2.83 | Jim Scott | 159 | CHA |
| +038+ | 2.76 | Hooks Wiltse | 174.7 | SFN |
| +040+ | 2.64 | George Mullin | 215.7 | DET |
| +041+ | 2.63 | Cy Young | 232.3 | CLE |
_