| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 10.24 | 190609010_SLN_CHN |
| Sam Leever | PIT | 4.03 | 190609010_PIT_CIN |
| Tully Sparks | PHI | 2.67 | 190608301_SFN_PHI |
| Jake Weimer | CIN | 2.34 | 190608310_CIN_CHN |
| Ed Walsh | CHA | 1.73 | 190609010_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Harris | BOS | -4.97 | 190609010_OAK_BOS |
| Jim Pastorius | LAN | -2.31 | 190608310_ATL_LAN |
| Gus Dorner | ATL | -1.94 | 190609010_ATL_SFN |
| Gus Thompson | SLN | -1 | 190609010_SLN_CHN |
| Cy Falkenberg | MIN | -0.78 | 190608311_MIN_NYA |
Based on accumulated WAA for this season up to 1906-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.97 | Mordecai Brown | 245.3 | CHN |
| +005+ | 6.72 | Tully Sparks | 254 | PHI |
| +007+ | 6.5 | Bill Duggleby | 249 | PHI |
| +008+ | 6.25 | Vic Willis | 248 | PIT |
| +009+ | 6.12 | Jack Pfiester | 192.7 | CHN |
| +010+ | 5.96 | Sam Leever | 215.3 | PIT |
| +012+ | 5.17 | Ed Reulbach | 156.3 | CHN |
| +015+ | 4.76 | Jack Taylor | 272.7 | TOT |
| +016+ | 4.69 | Lefty Leifield | 193.3 | PIT |
| +017+ | 4.35 | Jake Weimer | 261.7 | CIN |
| +019+ | 3.86 | Bob Rhoads | 237 | CLE |
| +021+ | 3.73 | Ed Walsh | 212.7 | CHA |
| +023+ | 3.51 | Fred Glade | 205.7 | BAL |
| +025+ | 3.32 | Joe McGinnity | 272.3 | SFN |
| +026+ | 3.32 | Roy Patterson | 127 | CHA |
| +031+ | 3.18 | Rube Waddell | 209.7 | OAK |
| +033+ | 2.8 | Jack Powell | 185.3 | BAL |
| +038+ | 2.47 | Al Orth | 266.7 | NYA |
| +040+ | 2.37 | Barney Pelty | 187.7 | BAL |
| +050+ | 2.15 | Casey Patten | 218 | MIN |
| +052+ | 2.1 | Nick Altrock | 208.3 | CHA |
| +055+ | 1.98 | Harry Howell | 241.3 | BAL |
| +059+ | 1.77 | Bob Ewing | 208 | CIN |
| +063+ | 1.6 | Otto Hess | 252.7 | CLE |
| +070+ | 1.54 | Slow Joe Doyle | 18 | NYA |
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