| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 13.8 | 190605210_CLE_OAK |
| Carl Lundgren | CHN | 3.77 | 190605200_SFN_CHN |
| Doc White | CHA | 3.46 | 190605210_CHA_NYA |
| Cy Young | BOS | 1.9 | 190605190_CLE_BOS |
| Bill Donovan | DET | 1.36 | 190605190_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | CIN | -3.89 | 190605190_ATL_CIN |
| George Winter | BOS | -1.57 | 190605210_DET_BOS |
| Doc Newton | NYA | -1.24 | 190605190_BAL_NYA |
| Cy Falkenberg | MIN | -0.94 | 190605210_BAL_MIN |
| Vic Willis | PIT | -0.93 | 190605210_ATL_PIT |
Based on accumulated WAA for this season up to 1906-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.14 | Rube Waddell | 76.3 | OAK |
| +002+ | 4.08 | Carl Lundgren | 81 | CHN |
| +003+ | 3.07 | Bill Duggleby | 66.3 | PHI |
| +005+ | 2.48 | Bill Donovan | 53 | DET |
| +006+ | 2.46 | Johnny Lush | 80 | PHI |
| +007+ | 2.34 | Jake Weimer | 78.3 | CIN |
| +008+ | 2.25 | Vive Lindaman | 63.3 | ATL |
| +009+ | 2.24 | Tully Sparks | 53 | PHI |
| +010+ | 2.05 | Buster Brown | 69.3 | SLN |
| +011+ | 1.93 | Jack Taylor | 68 | SLN |
| +013+ | 1.86 | Addie Joss | 54 | CLE |
| +014+ | 1.78 | Nick Altrock | 63.7 | CHA |
| +015+ | 1.62 | Mordecai Brown | 52 | CHN |
| +017+ | 1.61 | Joe McGinnity | 79.3 | SFN |
| +018+ | 1.6 | Chief Bender | 71.7 | OAK |
| +021+ | 1.56 | Bill Bernhard | 53 | CLE |
| +023+ | 1.53 | Vic Willis | 83 | PIT |
| +022+ | 1.53 | Jack Pfiester | 51 | CHN |
| +024+ | 1.39 | Ed Smith | 41.7 | BAL |
| XXXXX | 1.15 | Frank Kitson | 55 | MIN |
| XXXXX | 1.13 | Harry Eells | 25.7 | CLE |
| XXXXX | 1.1 | Sam Leever | 28 | PIT |
| XXXXX | 0.95 | Deacon Phillippe | 63 | PIT |
| XXXXX | 0.83 | Red Donahue | 44 | DET |
| XXXXX | 0.79 | Dummy Taylor | 48.3 | SFN |
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