| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.08 | 190407160_CLE_BOS |
| Joe McGinnity | SFN | 6.07 | 190407160_SFN_PIT |
| Eddie Plank | OAK | 2.97 | 190407150_CHA_OAK |
| Jack Taylor | SLN | 2.01 | 190407160_ATL_SLN |
| Doc White | CHA | 1.58 | 190407150_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Duggleby | PHI | -5.84 | 190407170_PHI_CHN |
| Vic Willis | ATL | -2.87 | 190407160_ATL_SLN |
| Happy Townsend | MIN | -1.19 | 190407150_BAL_MIN |
| Bob Ewing | CIN | -0.72 | 190407150_SFN_CIN |
| Buttons Briggs | CHN | -0.68 | 190407170_PHI_CHN |
Based on accumulated WAA for this season up to 1904-07-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.96 | Rube Waddell | 196.3 | OAK |
| +002+ | 7.67 | Joe McGinnity | 239 | SFN |
| +003+ | 7.55 | Jack Chesbro | 224 | NYA |
| +004+ | 7.31 | Cy Young | 190 | BOS |
| +005+ | 5.92 | Frank Owen | 179.7 | CHA |
| +006+ | 5.7 | Eddie Plank | 190 | OAK |
| +011+ | 4.25 | Jesse Tannehill | 139.7 | BOS |
| +012+ | 4.02 | Ed Killian | 185 | DET |
| +014+ | 3.93 | Patsy Flaherty | 141 | TOT |
| +016+ | 3.54 | Jack Taylor | 183 | SLN |
| +018+ | 3.52 | Harry Howell | 143.7 | BAL |
| +017+ | 3.52 | Norwood Gibson | 123 | BOS |
| +021+ | 3.26 | George Mullin | 208 | DET |
| +022+ | 3.19 | Nick Altrock | 164.3 | CHA |
| +025+ | 3.1 | Bill Dinneen | 130.7 | BOS |
| +028+ | 2.81 | Ed Siever | 137.3 | BAL |
| +029+ | 2.77 | Earl Moore | 137.7 | CLE |
| +031+ | 2.65 | Weldon Henley | 145.7 | OAK |
| +034+ | 2.59 | Kid Nichols | 149 | SLN |
| +036+ | 2.47 | Doc White | 112 | CHA |
| +037+ | 2.45 | Jack Powell | 182 | NYA |
| +039+ | 2.39 | Frank Smith | 65 | CHA |
| +040+ | 2.31 | Fred Glade | 125.7 | BAL |
| +045+ | 2.08 | Jake Weimer | 141.7 | CHN |
| +049+ | 1.96 | Bill Bernhard | 153 | CLE |
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