| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam Leever | PIT | 2.83 | 190608290_PIT_SLN |
| Tully Sparks | PHI | 2.67 | 190608301_SFN_PHI |
| Jake Weimer | CIN | 2.34 | 190608310_CIN_CHN |
| Ed Reulbach | CHN | 1.82 | 190608290_CIN_CHN |
| Ed Walsh | CHA | 1.8 | 190608290_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Winter | BOS | -3.9 | 190608300_OAK_BOS |
| Jim Pastorius | LAN | -2.31 | 190608310_ATL_LAN |
| Charley Hall | CIN | -0.96 | 190608290_CIN_CHN |
| Big Jeff Pfeffer | ATL | -0.93 | 190608290_ATL_LAN |
| Cy Falkenberg | MIN | -0.78 | 190608311_MIN_NYA |
Based on accumulated WAA for this season up to 1906-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.4 | Mordecai Brown | 236.3 | CHN |
| +005+ | 6.7 | Tully Sparks | 254 | PHI |
| +007+ | 6.63 | Sam Leever | 206.3 | PIT |
| +008+ | 6.47 | Bill Duggleby | 249 | PHI |
| +009+ | 6.23 | Vic Willis | 248 | PIT |
| +010+ | 6.1 | Jack Pfiester | 192.7 | CHN |
| +012+ | 5.15 | Ed Reulbach | 156.3 | CHN |
| +015+ | 4.71 | Jack Taylor | 272.7 | TOT |
| +016+ | 4.67 | Lefty Leifield | 193.3 | PIT |
| +017+ | 4.44 | Ed Walsh | 206.7 | CHA |
| +018+ | 4.33 | Jake Weimer | 261.7 | CIN |
| +022+ | 3.47 | Fred Glade | 205.7 | BAL |
| +023+ | 3.4 | Rube Waddell | 209.7 | OAK |
| +026+ | 3.3 | Roy Patterson | 127 | CHA |
| +030+ | 3.08 | Bob Rhoads | 228 | CLE |
| +032+ | 2.94 | Joe McGinnity | 263.3 | SFN |
| +034+ | 2.71 | Jack Powell | 177.3 | BAL |
| +037+ | 2.46 | Casey Patten | 210 | MIN |
| +041+ | 2.34 | Barney Pelty | 187.7 | BAL |
| +043+ | 2.3 | Al Orth | 257.7 | NYA |
| +046+ | 2.28 | Bob Ewing | 202 | CIN |
| +053+ | 2.06 | Nick Altrock | 208.3 | CHA |
| +057+ | 1.93 | Harry Howell | 241.3 | BAL |
| +066+ | 1.57 | Otto Hess | 252.7 | CLE |
| +069+ | 1.54 | Slow Joe Doyle | 18 | NYA |
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