| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | ATL | -5.02 | 190508190_CIN_ATL |
| Oscar Jones | LAN | -4.65 | 190508190_PIT_LAN |
| Frank Kitson | DET | -1.33 | 190508212_BOS_DET |
| Willie Sudhoff | BAL | -0.63 | 190508202_OAK_BAL |
| Kid Nichols | PHI | -0.6 | 190508210_CIN_PHI |
Based on accumulated WAA for this season up to 1905-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.57 | Ed Reulbach | 207.3 | CHN |
| +002+ | 8.21 | Christy Mathewson | 227.7 | SFN |
| +003+ | 8.13 | Rube Waddell | 267.7 | OAK |
| +004+ | 8.09 | Doc White | 198 | CHA |
| +005+ | 7.15 | Cy Young | 243.7 | BOS |
| +006+ | 6.41 | Irv Young | 275.3 | ATL |
| +010+ | 5.76 | Deacon Phillippe | 207.3 | PIT |
| +014+ | 5.4 | Addie Joss | 184.3 | CLE |
| +016+ | 5.11 | Nick Altrock | 212.3 | CHA |
| +018+ | 4.76 | Bob Wicker | 109 | CHN |
| +020+ | 4.19 | Jack Chesbro | 215.7 | NYA |
| +021+ | 4.03 | Fred Glade | 190.3 | BAL |
| +022+ | 3.94 | Jesse Tannehill | 189.7 | BOS |
| +023+ | 3.88 | Earl Moore | 220.3 | CLE |
| +024+ | 3.58 | Bob Ewing | 236 | CIN |
| +026+ | 3.5 | Jake Weimer | 197.7 | CHN |
| +027+ | 3.46 | Harry Howell | 220.7 | BAL |
| +028+ | 3.34 | Frank Smith | 206.3 | CHA |
| +029+ | 3.22 | Dummy Taylor | 156.3 | SFN |
| +030+ | 3.19 | Ed Killian | 238.7 | DET |
| +032+ | 3.11 | Buttons Briggs | 128 | CHN |
| +040+ | 2.69 | Tully Sparks | 183.3 | PHI |
| +042+ | 2.56 | Frank Owen | 239 | CHA |
| +044+ | 2.52 | Bill Duggleby | 211.7 | PHI |
| +046+ | 2.48 | Eddie Plank | 239.3 | OAK |
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