| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vic Willis | PIT | 3.32 | 190609150_CIN_PIT |
| Ed Reulbach | CHN | 3.01 | 190609140_CHN_SLN |
| Addie Joss | CLE | 1.63 | 190609142_DET_CLE |
| Fred Glade | BAL | 0.97 | 190609141_BAL_CHA |
| Rube Waddell | OAK | 0.93 | 190609140_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Winter | BOS | -4.36 | 190609151_BOS_OAK |
| Ed Smith | BAL | -1.92 | 190609150_BAL_CHA |
| Gus Thompson | SLN | -1.81 | 190609162_SLN_CIN |
| Big Jeff Pfeffer | ATL | -1.61 | 190609150_PHI_ATL |
| Elmer Stricklett | LAN | -1.49 | 190609151_LAN_SFN |
Based on accumulated WAA for this season up to 1906-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.95 | Mordecai Brown | 265.3 | CHN |
| +005+ | 7.2 | Ed Reulbach | 185.3 | CHN |
| +007+ | 6.83 | Vic Willis | 280 | PIT |
| +009+ | 6.15 | Jack Pfiester | 215.7 | CHN |
| +008+ | 6.15 | Tully Sparks | 273.3 | PHI |
| +010+ | 6.03 | Jack Taylor | 301.7 | TOT |
| +013+ | 5.59 | Addie Joss | 235 | CLE |
| +015+ | 5.14 | Bill Duggleby | 271.3 | PHI |
| +016+ | 4.87 | Sam Leever | 239.3 | PIT |
| +017+ | 4.84 | Bob Rhoads | 264 | CLE |
| +020+ | 4.52 | Rube Waddell | 244.3 | OAK |
| +021+ | 4.5 | Barney Pelty | 220.7 | BAL |
| +022+ | 4.44 | Ed Walsh | 230.7 | CHA |
| +024+ | 3.94 | Lefty Leifield | 218.3 | PIT |
| +029+ | 3.67 | Fred Glade | 230.7 | BAL |
| +030+ | 3.64 | Otto Hess | 287.7 | CLE |
| +031+ | 3.48 | Al Orth | 300.7 | NYA |
| +033+ | 3.44 | Bob Ewing | 250 | CIN |
| +034+ | 3.32 | Jake Weimer | 285.7 | CIN |
| +035+ | 3.3 | Christy Mathewson | 229.7 | SFN |
| +040+ | 2.86 | Eddie Plank | 211.7 | OAK |
| +044+ | 2.68 | Jack Coombs | 136 | OAK |
| +050+ | 2.44 | Roy Patterson | 141.7 | CHA |
| +051+ | 2.43 | Nick Altrock | 246.7 | CHA |
| +056+ | 2.2 | Casey Patten | 252 | MIN |
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