| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 4.61 | 190506110_SFN_CHN |
| Cy Young | BOS | 4.49 | 190506100_CLE_BOS |
| Irv Young | ATL | 1.33 | 190506120_ATL_PIT |
| Otto Hess | CLE | 1.23 | 190506100_CLE_BOS |
| Frank Smith | CHA | 1.11 | 190506120_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | ATL | -6.81 | 190506100_ATL_CHN |
| Harry McIntire | LAN | -1.67 | 190506120_LAN_SLN |
| Jack Powell | NYA | -1.42 | 190506100_BAL_NYA |
| Jack Harper | CIN | -1.4 | 190506120_PHI_CIN |
| Frank Corridon | PHI | -0.95 | 190506100_PHI_SLN |
Based on accumulated WAA for this season up to 1905-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.48 | Rube Waddell | 96.3 | OAK |
| +002+ | 4.41 | Irv Young | 129 | ATL |
| +003+ | 4.37 | Addie Joss | 91.3 | CLE |
| +005+ | 4.16 | Dummy Taylor | 80 | SFN |
| +006+ | 3.59 | Ed Reulbach | 60.3 | CHN |
| +008+ | 3.45 | Nick Altrock | 91.3 | CHA |
| +009+ | 3.39 | Earl Moore | 78 | CLE |
| +011+ | 3.16 | Red Ames | 92 | SFN |
| +012+ | 2.98 | Doc White | 81 | CHA |
| +015+ | 2.54 | Big Jeff Pfeffer | 73.7 | CHN |
| +016+ | 2.48 | Frank Smith | 133.7 | CHA |
| +017+ | 2.38 | Christy Mathewson | 95 | SFN |
| +018+ | 2.38 | Fred Glade | 80 | BAL |
| +019+ | 2.36 | Harry Howell | 102.3 | BAL |
| +020+ | 2.3 | Cy Young | 100 | BOS |
| +021+ | 2.27 | Bill Duggleby | 116.7 | PHI |
| +024+ | 1.92 | Joe McGinnity | 103.7 | SFN |
| +025+ | 1.9 | Jake Weimer | 87 | CHN |
| +028+ | 1.82 | Hooks Wiltse | 75 | SFN |
| +030+ | 1.69 | Win Kellum | 64.7 | SLN |
| +032+ | 1.57 | Bob Rhoads | 71.7 | CLE |
| +034+ | 1.51 | Charlie Case | 74 | PIT |
| +037+ | 1.45 | Bill Hogg | 83.7 | NYA |
| +040+ | 1.38 | Otto Hess | 83.7 | CLE |
| +042+ | 1.35 | Orval Overall | 104.3 | CIN |
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