| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 10.21 | 190506160_BAL_OAK |
| Christy Mathewson | SFN | 4.71 | 190506170_SFN_SLN |
| Doc White | CHA | 4.6 | 190506150_CHA_NYA |
| Cy Young | BOS | 4.15 | 190506150_DET_BOS |
| Irv Young | ATL | 1.35 | 190506150_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | ATL | -8.28 | 190506160_ATL_CIN |
| Chappie McFarland | SLN | -1.27 | 190506170_SFN_SLN |
| Jack Harper | CIN | -1.05 | 190506160_ATL_CIN |
| Frank Kitson | DET | -0.91 | 190506150_DET_BOS |
| Frank Corridon | PHI | -0.84 | 190506170_PHI_PIT |
Based on accumulated WAA for this season up to 1905-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.57 | Rube Waddell | 114.3 | OAK |
| +002+ | 5.1 | Addie Joss | 100.3 | CLE |
| +003+ | 4.56 | Irv Young | 138.7 | ATL |
| +004+ | 4.3 | Earl Moore | 96 | CLE |
| +006+ | 3.79 | Dummy Taylor | 88.3 | SFN |
| +009+ | 3.73 | Ed Reulbach | 67.3 | CHN |
| +010+ | 3.51 | Doc White | 90 | CHA |
| +011+ | 3.47 | Nick Altrock | 99.3 | CHA |
| +013+ | 3.24 | Christy Mathewson | 110 | SFN |
| +014+ | 3.11 | Harry Howell | 111.3 | BAL |
| +015+ | 3.05 | Red Ames | 101 | SFN |
| +018+ | 2.61 | Jake Weimer | 96 | CHN |
| +019+ | 2.42 | Frank Smith | 133.7 | CHA |
| +020+ | 2.34 | Joe McGinnity | 111.7 | SFN |
| +021+ | 2.25 | Deacon Phillippe | 83.3 | PIT |
| +023+ | 2.19 | Big Jeff Pfeffer | 75.7 | CHN |
| +027+ | 2.02 | Hooks Wiltse | 78 | SFN |
| +028+ | 1.99 | Fred Glade | 90 | BAL |
| +029+ | 1.93 | Cy Young | 109 | BOS |
| +030+ | 1.81 | Bill Duggleby | 117 | PHI |
| +031+ | 1.8 | Bob Rhoads | 79.7 | CLE |
| +034+ | 1.69 | Otto Hess | 92.7 | CLE |
| +039+ | 1.59 | Eddie Plank | 112.7 | OAK |
| +040+ | 1.58 | Tom Walker | 42.3 | CIN |
| +044+ | 1.39 | Frank Owen | 107 | CHA |
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