| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 4.17 | 190909111_LAN_SFN |
| Orval Overall | CHN | 3.9 | 190909120_CHN_CIN |
| Harry Krause | OAK | 3.41 | 190909112_BOS_OAK |
| Vic Willis | PIT | 2.12 | 190909100_CIN_PIT |
| Ed Walsh | CHA | 2.02 | 190909111_CHA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Beebe | SLN | -3.63 | 190909101_SLN_CHN |
| Bob Groom | MIN | -1.91 | 190909111_NYA_MIN |
| Eddie Dent | LAN | -0.59 | 190909112_LAN_SFN |
| Lew Brockett | NYA | -0.55 | 190909111_NYA_MIN |
| Lew Moren | PHI | -0.5 | 190909112_PHI_ATL |
Based on accumulated WAA for this season up to 1909-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.57 | Mordecai Brown | 311.7 | CHN |
| +004+ | 8.31 | Christy Mathewson | 238 | SFN |
| +005+ | 8.29 | Orval Overall | 256.7 | CHN |
| +006+ | 7.49 | Harry Krause | 186 | OAK |
| +008+ | 6.4 | Frank Smith | 355 | CHA |
| +009+ | 5.94 | Cy Morgan | 249 | TOT |
| +010+ | 5.81 | Vic Willis | 267 | PIT |
| +011+ | 5.53 | Ed Reulbach | 225 | CHN |
| +013+ | 5.47 | Addie Joss | 221.7 | CLE |
| +012+ | 5.47 | Ed Walsh | 194.3 | CHA |
| +015+ | 5.2 | Howie Camnitz | 262 | PIT |
| +016+ | 5.1 | George Mullin | 269.7 | DET |
| +019+ | 4.99 | Eddie Plank | 232.3 | OAK |
| +020+ | 4.87 | Nap Rucker | 267 | LAN |
| +026+ | 4.57 | Doc White | 159 | CHA |
| +028+ | 4.4 | Chief Bender | 204.7 | OAK |
| +031+ | 4 | Art Fromme | 228.3 | CIN |
| +033+ | 3.96 | Babe Adams | 102 | PIT |
| +034+ | 3.8 | Earl Moore | 260 | PHI |
| +036+ | 3.54 | Jack Coombs | 181.3 | OAK |
| +039+ | 3.4 | Smoky Joe Wood | 143.7 | BOS |
| +042+ | 3.21 | Rube Kroh | 102.3 | CHN |
| +043+ | 3.14 | Ed Killian | 138.3 | DET |
| +044+ | 2.96 | Barney Pelty | 199.3 | BAL |
| +045+ | 2.75 | Cy Young | 280.3 | CLE |
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