| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.24 | 190607070_CLE_OAK |
| Mordecai Brown | CHN | 5.16 | 190607070_CHN_PIT |
| Doc White | CHA | 4.29 | 190607070_CHA_BOS |
| Jake Weimer | CIN | 1.27 | 190607080_CIN_SLN |
| Sam Leever | PIT | 1.15 | 190607090_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Harris | BOS | -2.26 | 190607070_CHA_BOS |
| Jim Pastorius | LAN | -0.74 | 190607090_LAN_PIT |
| Wish Egan | SLN | -0.62 | 190607070_CIN_SLN |
| Jack Powell | BAL | -0.51 | 190607070_BAL_NYA |
| Chick Fraser | CIN | -0.42 | 190607070_CIN_SLN |
Based on accumulated WAA for this season up to 1906-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.22 | Bill Duggleby | 148 | PHI |
| +002+ | 5.39 | Mordecai Brown | 136.3 | CHN |
| +004+ | 5.18 | Carl Lundgren | 148.3 | CHN |
| +005+ | 5.17 | Rube Waddell | 132.3 | OAK |
| +006+ | 4.97 | Vic Willis | 165 | PIT |
| +007+ | 4.62 | Jake Weimer | 165.3 | CIN |
| +010+ | 4.21 | Addie Joss | 170.7 | CLE |
| +011+ | 3.91 | Doc White | 98.3 | CHA |
| +012+ | 3.69 | Jack Pfiester | 121.7 | CHN |
| +013+ | 3.56 | Tully Sparks | 139.3 | PHI |
| +014+ | 3.47 | Sam Leever | 117.3 | PIT |
| +016+ | 3.25 | Jack Taylor | 164.3 | TOT |
| +019+ | 3.09 | Ed Reulbach | 88.3 | CHN |
| +021+ | 2.94 | Nick Altrock | 157.3 | CHA |
| +022+ | 2.71 | Deacon Phillippe | 130 | PIT |
| +023+ | 2.58 | Eddie Plank | 143.3 | OAK |
| +025+ | 2.38 | Bob Ewing | 111 | CIN |
| +026+ | 2.21 | Lefty Leifield | 100.7 | PIT |
| +027+ | 2.13 | Bill Donovan | 119 | DET |
| +035+ | 1.76 | Bob Rhoads | 127 | CLE |
| +040+ | 1.65 | Fred Beebe | 88.7 | TOT |
| +044+ | 1.47 | Beany Jacobson | 94 | BAL |
| +052+ | 1.29 | Dummy Taylor | 138.3 | SFN |
| XXXXX | 1.23 | Otto Hess | 150.3 | CLE |
| XXXXX | 1.11 | Jack Chesbro | 147.7 | NYA |
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