| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 5.78 | 190909080_CHN_PIT |
| Christy Mathewson | SFN | 4.36 | 190909062_ATL_SFN |
| Cy Morgan | OAK | 3.22 | 190909070_NYA_OAK |
| Vic Willis | PIT | 2.87 | 190909062_CHN_PIT |
| Addie Joss | CLE | 2.44 | 190909070_CLE_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cecil Ferguson | ATL | -4.4 | 190909081_PHI_ATL |
| Dolly Gray | MIN | -3.76 | 190909070_BOS_MIN |
| Kaiser Wilhelm | LAN | -3.5 | 190909061_PHI_LAN |
| Les Backman | SLN | -1.54 | 190909062_CIN_SLN |
| Pete Wilson? | NYA | -0.77 | 190909062_NYA_BOS |
Based on accumulated WAA for this season up to 1909-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.25 | Mordecai Brown | 303.7 | CHN |
| +004+ | 7.68 | Christy Mathewson | 229 | SFN |
| +005+ | 7.14 | Orval Overall | 238.7 | CHN |
| +006+ | 7.04 | Harry Krause | 177 | OAK |
| +008+ | 5.94 | Cy Morgan | 240 | TOT |
| +009+ | 5.82 | Vic Willis | 258 | PIT |
| +010+ | 5.72 | Ed Walsh | 191 | CHA |
| +011+ | 5.69 | Howie Camnitz | 259 | PIT |
| +012+ | 5.63 | Addie Joss | 220.7 | CLE |
| +013+ | 5.51 | Frank Smith | 339 | CHA |
| +015+ | 5.17 | Nap Rucker | 262 | LAN |
| +017+ | 5.09 | Ed Reulbach | 216 | CHN |
| +020+ | 4.82 | George Mullin | 260.7 | DET |
| +024+ | 4.49 | Chief Bender | 204.7 | OAK |
| +027+ | 4.35 | Eddie Plank | 223.3 | OAK |
| +029+ | 4.2 | Doc White | 153.3 | CHA |
| +030+ | 4.11 | Art Fromme | 221.3 | CIN |
| +032+ | 3.61 | Jack Coombs | 181.3 | OAK |
| +034+ | 3.48 | Babe Adams | 93 | PIT |
| +035+ | 3.41 | Frank Arellanes | 227 | BOS |
| +039+ | 3.27 | Cy Falkenberg | 138.7 | CLE |
| +040+ | 3.26 | Ed Killian | 138.3 | DET |
| +041+ | 3.24 | Rube Kroh | 102.3 | CHN |
| +043+ | 3.16 | Barney Pelty | 188 | BAL |
| +044+ | 3.14 | Earl Moore | 251 | PHI |
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