| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vic Willis | PIT | 3.64 | 190609291_PIT_LAN |
| Jack Pfiester | CHN | 3.54 | 190609291_CHN_PHI |
| Tully Sparks | PHI | 3.04 | 190609291_CHN_PHI |
| Addie Joss | CLE | 1.94 | 190609282_NYA_CLE |
| Ed Walsh | CHA | 1.57 | 190609302_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Harris | BOS | -4.81 | 190609301_BOS_BAL |
| Gus Dorner | ATL | -3.51 | 190609280_CIN_ATL |
| Mal Eason | LAN | -1.15 | 190609292_PIT_LAN |
| Beany Jacobson | BAL | -0.44 | 190609302_BOS_BAL |
| Lew Richie | PHI | -0.34 | 190609292_CHN_PHI |
Based on accumulated WAA for this season up to 1906-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.61 | Mordecai Brown | 277.7 | CHN |
| +002+ | 9.23 | Doc White | 212.7 | CHA |
| +003+ | 8.34 | Vic Willis | 314 | PIT |
| +005+ | 7.55 | Ed Reulbach | 211.3 | CHN |
| +007+ | 7.37 | Tully Sparks | 308.3 | PHI |
| +009+ | 6.93 | Jack Pfiester | 241.7 | CHN |
| +010+ | 6.15 | Addie Joss | 274 | CLE |
| +014+ | 5.73 | Bob Rhoads | 297 | CLE |
| +015+ | 5.49 | Otto Hess | 324.7 | CLE |
| +017+ | 5.28 | Ed Walsh | 278.3 | CHA |
| +020+ | 4.87 | Barney Pelty | 245.7 | BAL |
| +023+ | 4.27 | Jack Powell | 236 | BAL |
| +028+ | 3.94 | Jake Weimer | 302.7 | CIN |
| +031+ | 3.73 | Al Orth | 332.7 | NYA |
| +033+ | 3.4 | Rube Waddell | 271.7 | OAK |
| +034+ | 3.35 | Fred Glade | 257.7 | BAL |
| +035+ | 3.18 | Bob Ewing | 274 | CIN |
| +038+ | 3.17 | Nick Altrock | 270.7 | CHA |
| +039+ | 3.15 | Deacon Phillippe | 228.7 | PIT |
| +040+ | 3.11 | Carl Lundgren | 198.3 | CHN |
| +043+ | 3.06 | Casey Patten | 283 | MIN |
| +045+ | 2.9 | Lefty Leifield | 245.3 | PIT |
| +046+ | 2.84 | Eddie Plank | 211.7 | OAK |
| +049+ | 2.61 | Harry Howell | 276.3 | BAL |
| +053+ | 2.47 | Joe McGinnity | 329.3 | SFN |
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