| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 5.67 | 190409152_MIN_OAK |
| Jack Chesbro | NYA | 5.56 | 190409141_NYA_BOS |
| Joe McGinnity | SFN | 3.4 | 190409131_SFN_ATL |
| Frank Owen | CHA | 3.34 | 190409141_CLE_CHA |
| Jesse Tannehill | BOS | 2.13 | 190409130_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | ATL | -3.35 | 190409131_SFN_ATL |
| Chick Fraser | PHI | -3.33 | 190409130_PHI_LAN |
| Fred Mitchell | LAN | -0.97 | 190409151_PHI_LAN |
| Willie Sudhoff | BAL | -0.77 | 190409141_DET_BAL |
| Jack Harper | CIN | -0.21 | 190409132_PIT_CIN |
Based on accumulated WAA for this season up to 1904-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.29 | Rube Waddell | 352.7 | OAK |
| +002+ | 12.9 | Jack Chesbro | 375.7 | NYA |
| +003+ | 10.32 | Joe McGinnity | 367.3 | SFN |
| +004+ | 10.31 | Frank Owen | 315 | CHA |
| +005+ | 9.99 | Eddie Plank | 326 | OAK |
| +006+ | 8.34 | Jesse Tannehill | 272.7 | BOS |
| +007+ | 8.18 | Cy Young | 312 | BOS |
| +009+ | 6.38 | Bill Bernhard | 276 | CLE |
| +010+ | 6.14 | Harry Howell | 255.7 | BAL |
| +011+ | 6.13 | Bill Dinneen | 265.7 | BOS |
| +014+ | 5.75 | Red Donahue | 241 | CLE |
| +015+ | 5.72 | George Mullin | 330 | DET |
| +016+ | 5.6 | Fred Glade | 248.7 | BAL |
| +017+ | 5.55 | Jack Powell | 331.7 | NYA |
| +018+ | 5.41 | Addie Joss | 150.3 | CLE |
| +019+ | 5.28 | Ed Killian | 309.7 | DET |
| +020+ | 5.21 | Doc White | 169 | CHA |
| +022+ | 5.09 | Earl Moore | 216.3 | CLE |
| +026+ | 4.91 | Norwood Gibson | 222 | BOS |
| +027+ | 4.76 | Jake Weimer | 263.7 | CHN |
| +029+ | 4.37 | Frank Smith | 174.3 | CHA |
| +030+ | 4.35 | Weldon Henley | 246.7 | OAK |
| +035+ | 4.16 | Kid Nichols | 283 | SLN |
| +036+ | 4.05 | Bill Donovan | 270 | DET |
| +041+ | 3.7 | Patsy Flaherty | 255 | TOT |
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