| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 8.03 | 190608180_SFN_CHN |
| Tully Sparks | PHI | 3.55 | 190608171_PHI_CIN |
| Rube Waddell | OAK | 2.83 | 190608161_CLE_OAK |
| Sam Leever | PIT | 2.71 | 190608180_LAN_PIT |
| Ed Walsh | CHA | 0.9 | 190608180_CHA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Hughes | MIN | -5.15 | 190608171_BAL_MIN |
| George Winter | BOS | -4.97 | 190608180_DET_BOS |
| Doc Scanlan | LAN | -1.34 | 190608170_LAN_CHN |
| Lew Richie | PHI | -1.1 | 190608172_PHI_CIN |
| Bob Wicker | CIN | -0.95 | 190608180_ATL_CIN |
Based on accumulated WAA for this season up to 1906-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.12 | Mordecai Brown | 216.3 | CHN |
| +002+ | 6.88 | Tully Sparks | 229 | PHI |
| +003+ | 6.85 | Doc White | 167.3 | CHA |
| +005+ | 6.62 | Bill Duggleby | 226 | PHI |
| +008+ | 5.72 | Sam Leever | 188.3 | PIT |
| +010+ | 5.44 | Vic Willis | 224 | PIT |
| +011+ | 5.37 | Jack Pfiester | 176.7 | CHN |
| +014+ | 4.58 | Rube Waddell | 181 | OAK |
| +016+ | 4.2 | Jack Taylor | 236.7 | TOT |
| +017+ | 4.13 | Addie Joss | 209 | CLE |
| +018+ | 4.12 | Ed Walsh | 184.7 | CHA |
| +019+ | 3.83 | Ed Reulbach | 138.3 | CHN |
| +020+ | 3.8 | Fred Glade | 186.7 | BAL |
| +021+ | 3.68 | Bob Ewing | 176 | CIN |
| +023+ | 3.34 | Jake Weimer | 230.3 | CIN |
| +026+ | 3.06 | Carl Lundgren | 176.7 | CHN |
| +027+ | 2.98 | Deacon Phillippe | 176 | PIT |
| +032+ | 2.81 | Roy Patterson | 117.3 | CHA |
| +038+ | 2.35 | Red Donahue | 181 | DET |
| +041+ | 2.09 | Nick Altrock | 200.3 | CHA |
| +047+ | 1.99 | Casey Patten | 183 | MIN |
| +048+ | 1.94 | Jack Powell | 160.3 | BAL |
| +050+ | 1.9 | Al Orth | 228.7 | NYA |
| +053+ | 1.87 | Bob Rhoads | 202 | CLE |
| +054+ | 1.81 | Barney Pelty | 163.7 | BAL |
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