| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doc White | CHA | 5 | 190506190_CHA_NYA |
| Christy Mathewson | SFN | 4.71 | 190506170_SFN_SLN |
| Eddie Plank | OAK | 1.99 | 190506170_BAL_OAK |
| Irv Young | ATL | 1.45 | 190506180_ATL_CIN |
| Ed Reulbach | CHN | 0.91 | 190506190_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | ATL | -6.48 | 190506190_ATL_SLN |
| Chappie McFarland | SLN | -1.27 | 190506170_SFN_SLN |
| Frank Corridon | PHI | -0.84 | 190506170_PHI_PIT |
| Weldon Henley | OAK | -0.34 | 190506190_BAL_OAK |
| Mal Eason | LAN | -0.32 | 190506190_LAN_PIT |
Based on accumulated WAA for this season up to 1905-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.71 | Rube Waddell | 114.3 | OAK |
| +002+ | 5.22 | Addie Joss | 100.3 | CLE |
| +003+ | 4.42 | Earl Moore | 96 | CLE |
| +004+ | 4.23 | Ed Reulbach | 76.3 | CHN |
| +008+ | 3.59 | Nick Altrock | 99.3 | CHA |
| +010+ | 3.41 | Christy Mathewson | 110 | SFN |
| +012+ | 3.21 | Red Ames | 101 | SFN |
| +013+ | 3.2 | Irv Young | 146.7 | ATL |
| +015+ | 3.1 | Doc White | 91.3 | CHA |
| +016+ | 2.97 | Dummy Taylor | 89.3 | SFN |
| +017+ | 2.97 | Harry Howell | 119.3 | BAL |
| +018+ | 2.72 | Jake Weimer | 96 | CHN |
| +019+ | 2.62 | Frank Smith | 141.3 | CHA |
| +021+ | 2.35 | Deacon Phillippe | 83.3 | PIT |
| +022+ | 2.28 | Big Jeff Pfeffer | 75.7 | CHN |
| +024+ | 2.11 | Fred Glade | 90 | BAL |
| +025+ | 2.08 | Bob Rhoads | 88.7 | CLE |
| +026+ | 2.06 | Cy Young | 109 | BOS |
| +029+ | 1.98 | Bill Duggleby | 117 | PHI |
| +030+ | 1.81 | Otto Hess | 92.7 | CLE |
| +033+ | 1.73 | Eddie Plank | 112.7 | OAK |
| +034+ | 1.72 | Orval Overall | 113.3 | CIN |
| +036+ | 1.64 | Hooks Wiltse | 81.7 | SFN |
| +037+ | 1.63 | Tom Walker | 42.3 | CIN |
| +041+ | 1.53 | Frank Owen | 107 | CHA |
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