| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 6.48 | 190909140_CHN_CIN |
| Cy Morgan | OAK | 2.33 | 190909150_OAK_NYA |
| Addie Joss | CLE | 1.82 | 190909130_CLE_CHA |
| Ed Walsh | CHA | 1.82 | 190909130_CLE_CHA |
| George Mullin | DET | 1.53 | 190909130_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cecil Ferguson | ATL | -5.65 | 190909132_SFN_ATL |
| Dolly Gray | MIN | -4.55 | 190909130_MIN_BOS |
| Charlie Smith | BOS | -1.91 | 190909130_MIN_BOS |
| Red Ames | SFN | -1.04 | 190909132_SFN_ATL |
| Doc Scanlan | LAN | -0.81 | 190909150_LAN_PHI |
Based on accumulated WAA for this season up to 1909-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.27 | Mordecai Brown | 320.7 | CHN |
| +004+ | 8.27 | Orval Overall | 256.7 | CHN |
| +005+ | 8.11 | Christy Mathewson | 238 | SFN |
| +006+ | 7.47 | Harry Krause | 186 | OAK |
| +008+ | 6.47 | Cy Morgan | 266 | TOT |
| +009+ | 6.22 | Frank Smith | 355 | CHA |
| +010+ | 6.08 | Ed Walsh | 203.3 | CHA |
| +011+ | 5.78 | Vic Willis | 267 | PIT |
| +012+ | 5.6 | Nap Rucker | 276 | LAN |
| +013+ | 5.59 | Addie Joss | 229.7 | CLE |
| +014+ | 5.53 | Ed Reulbach | 233 | CHN |
| +016+ | 5.2 | George Mullin | 276.7 | DET |
| +018+ | 5.17 | Howie Camnitz | 262 | PIT |
| +020+ | 4.97 | Eddie Plank | 232.3 | OAK |
| +027+ | 4.49 | Doc White | 159 | CHA |
| +026+ | 4.49 | Art Fromme | 237.3 | CIN |
| +029+ | 4.29 | Earl Moore | 269 | PHI |
| +030+ | 4.28 | Chief Bender | 213.7 | OAK |
| +036+ | 3.94 | Babe Adams | 102 | PIT |
| +038+ | 3.76 | Jack Coombs | 189.3 | OAK |
| +039+ | 3.37 | Smoky Joe Wood | 143.7 | BOS |
| +040+ | 3.36 | Ed Killian | 149.3 | DET |
| +042+ | 3.2 | Rube Kroh | 102.3 | CHN |
| +044+ | 2.95 | Barney Pelty | 199.3 | BAL |
| +046+ | 2.7 | Jack Rowan | 192.3 | CIN |
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