| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | CIN | -3.89 | 190605190_ATL_CIN |
| Mike Lynch | PIT | -1.39 | 190605180_SFN_PIT |
| Bill Dinneen | BOS | -1.27 | 190605180_CLE_BOS |
| Doc Newton | NYA | -1.24 | 190605190_BAL_NYA |
| Doc Scanlan | LAN | -0.81 | 190605200_LAN_CIN |
Based on accumulated WAA for this season up to 1906-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.1 | Carl Lundgren | 81 | CHN |
| +002+ | 3.63 | Rube Waddell | 67.3 | OAK |
| +003+ | 3.09 | Bill Duggleby | 66.3 | PHI |
| +006+ | 2.49 | Johnny Lush | 80 | PHI |
| +005+ | 2.49 | Bill Donovan | 53 | DET |
| +007+ | 2.36 | Jake Weimer | 78.3 | CIN |
| +008+ | 2.25 | Vive Lindaman | 63.3 | ATL |
| +010+ | 1.93 | Addie Joss | 54 | CLE |
| +011+ | 1.92 | Jack Taylor | 68 | SLN |
| +012+ | 1.8 | Nick Altrock | 63.7 | CHA |
| +017+ | 1.64 | Mordecai Brown | 52 | CHN |
| +016+ | 1.64 | Bill Bernhard | 53 | CLE |
| +015+ | 1.64 | Joe McGinnity | 79.3 | SFN |
| +018+ | 1.56 | Chief Bender | 67.7 | OAK |
| +019+ | 1.55 | Jack Pfiester | 51 | CHN |
| +020+ | 1.52 | Buster Brown | 61 | SLN |
| +021+ | 1.41 | Tully Sparks | 44 | PHI |
| +022+ | 1.39 | Ed Smith | 41.7 | BAL |
| XXXXX | 1.2 | Irv Young | 85.3 | ATL |
| XXXXX | 1.2 | Elmer Stricklett | 56 | LAN |
| XXXXX | 1.18 | Beany Jacobson | 44 | BAL |
| XXXXX | 1.17 | Frank Kitson | 55 | MIN |
| XXXXX | 1.11 | Sam Leever | 28 | PIT |
| XXXXX | 0.97 | Deacon Phillippe | 63 | PIT |
| XXXXX | 0.86 | Hooks Wiltse | 42.3 | SFN |
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