| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doc White | CHA | 4.72 | 190609220_NYA_CHA |
| Vic Willis | PIT | 3.43 | 190609210_PIT_ATL |
| Tully Sparks | PHI | 2.96 | 190609210_CIN_PHI |
| Rube Waddell | OAK | 1.19 | 190609210_OAK_BAL |
| Barney Pelty | BAL | 1.17 | 190609210_OAK_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -4.44 | 190609210_PIT_ATL |
| George Winter | BOS | -4.25 | 190609211_BOS_CLE |
| Jim Pastorius | LAN | -3.28 | 190609210_SLN_LAN |
| Gus Thompson | SLN | -1.97 | 190609210_SLN_LAN |
| Bob Wicker | CIN | -1.47 | 190609210_CIN_PHI |
Based on accumulated WAA for this season up to 1906-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.39 | Mordecai Brown | 273.3 | CHN |
| +002+ | 9.07 | Doc White | 210.7 | CHA |
| +003+ | 7.76 | Ed Reulbach | 194.3 | CHN |
| +007+ | 6.8 | Tully Sparks | 290.3 | PHI |
| +008+ | 6.65 | Vic Willis | 296 | PIT |
| +009+ | 6.63 | Jack Pfiester | 223.7 | CHN |
| +010+ | 6.09 | Jack Taylor | 301.7 | TOT |
| +012+ | 5.61 | Addie Joss | 256 | CLE |
| +015+ | 5.03 | Bob Rhoads | 282 | CLE |
| +016+ | 4.85 | Bill Duggleby | 275 | PHI |
| +017+ | 4.82 | Sam Leever | 247.3 | PIT |
| +019+ | 4.58 | Ed Walsh | 259.7 | CHA |
| +021+ | 4.55 | Barney Pelty | 236.7 | BAL |
| +022+ | 4.46 | Otto Hess | 305.7 | CLE |
| +026+ | 3.94 | Bob Ewing | 258 | CIN |
| +027+ | 3.77 | Al Orth | 315 | NYA |
| +028+ | 3.74 | Jack Powell | 227 | BAL |
| +031+ | 3.56 | Deacon Phillippe | 212.7 | PIT |
| +034+ | 3.46 | Fred Glade | 248.7 | BAL |
| +035+ | 3.31 | Rube Waddell | 263.7 | OAK |
| +036+ | 3.26 | Christy Mathewson | 240.7 | SFN |
| +041+ | 2.87 | Lefty Leifield | 224.3 | PIT |
| +044+ | 2.79 | Eddie Plank | 211.7 | OAK |
| +051+ | 2.44 | Roy Patterson | 141.7 | CHA |
| +054+ | 2.35 | Nick Altrock | 255.7 | CHA |
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