| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 10.49 | 190609130_CHN_SLN |
| Vic Willis | PIT | 3.32 | 190609150_CIN_PIT |
| Bill Duggleby? | PHI | 1.68 | 190609130_PHI_ATL |
| Addie Joss | CLE | 1.63 | 190609142_DET_CLE |
| Jake Weimer | CIN | 0.98 | 190609131_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Winter | BOS | -4.36 | 190609151_BOS_OAK |
| Gus Dorner | ATL | -3.58 | 190609130_PHI_ATL |
| Ed Smith | BAL | -1.92 | 190609150_BAL_CHA |
| Elmer Stricklett | LAN | -1.49 | 190609151_LAN_SFN |
| Charley Hall | CIN | -1.24 | 190609150_CIN_PIT |
Based on accumulated WAA for this season up to 1906-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12 | Mordecai Brown | 265.3 | CHN |
| +005+ | 7.24 | Ed Reulbach | 185.3 | CHN |
| +007+ | 6.87 | Vic Willis | 280 | PIT |
| +008+ | 6.21 | Tully Sparks | 273.3 | PHI |
| +009+ | 6.13 | Jack Taylor | 301.7 | TOT |
| +011+ | 5.65 | Jack Pfiester | 206.7 | CHN |
| +012+ | 5.63 | Addie Joss | 235 | CLE |
| +015+ | 5.2 | Bill Duggleby | 271.3 | PHI |
| +016+ | 4.9 | Sam Leever | 239.3 | PIT |
| +017+ | 4.89 | Bob Rhoads | 264 | CLE |
| +019+ | 4.57 | Rube Waddell | 244.3 | OAK |
| +021+ | 4.55 | Barney Pelty | 220.7 | BAL |
| +022+ | 4.49 | Ed Walsh | 230.7 | CHA |
| +023+ | 3.97 | Lefty Leifield | 218.3 | PIT |
| +029+ | 3.72 | Fred Glade | 230.7 | BAL |
| +030+ | 3.7 | Otto Hess | 287.7 | CLE |
| +031+ | 3.55 | Al Orth | 300.7 | NYA |
| +032+ | 3.49 | Deacon Phillippe | 207.7 | PIT |
| +033+ | 3.48 | Jake Weimer | 285.7 | CIN |
| +034+ | 3.35 | Christy Mathewson | 229.7 | SFN |
| +035+ | 3.13 | Jack Powell | 209 | BAL |
| +037+ | 3.02 | Bob Ewing | 241 | CIN |
| +038+ | 2.91 | Eddie Plank | 211.7 | OAK |
| +044+ | 2.7 | Jack Coombs | 136 | OAK |
| +049+ | 2.47 | Roy Patterson | 141.7 | CHA |
_