| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 6.62 | 190409092_NYA_OAK |
| Joe McGinnity | SFN | 3.37 | 190409091_PHI_SFN |
| Cy Young | BOS | 2.56 | 190409100_BOS_OAK |
| Harry Howell | BAL | 1.2 | 190409091_BAL_DET |
| Bill Bernhard | CLE | 1.17 | 190409101_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -9.59 | 190409102_LAN_ATL |
| Chick Fraser | PHI | -3.17 | 190409091_PHI_SFN |
| Bob Ewing | CIN | -0.52 | 190409112_SLN_CIN |
| Fred Mitchell | LAN | -0.43 | 190409101_LAN_ATL |
| Ned Garvin | NYA | -0.4 | 190409101_MIN_NYA |
Based on accumulated WAA for this season up to 1904-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.49 | Rube Waddell | 347.7 | OAK |
| +002+ | 12.55 | Jack Chesbro | 357.7 | NYA |
| +003+ | 10.08 | Eddie Plank | 317 | OAK |
| +004+ | 9.89 | Frank Owen | 306 | CHA |
| +005+ | 9.85 | Joe McGinnity | 358.3 | SFN |
| +006+ | 8.59 | Cy Young | 312 | BOS |
| +008+ | 7.88 | Jesse Tannehill | 256.7 | BOS |
| +009+ | 6.44 | Bill Dinneen | 251.7 | BOS |
| +010+ | 6.21 | Harry Howell | 255.7 | BAL |
| +011+ | 6.03 | Bill Bernhard | 270 | CLE |
| +012+ | 5.87 | Red Donahue | 233 | CLE |
| +014+ | 5.68 | Ed Killian | 301.7 | DET |
| +016+ | 5.44 | George Mullin | 324 | DET |
| +017+ | 5.4 | Fred Glade | 239.7 | BAL |
| +019+ | 5.25 | Jack Powell | 317.7 | NYA |
| +020+ | 5.19 | Earl Moore | 216.3 | CLE |
| +024+ | 4.81 | Jake Weimer | 254.7 | CHN |
| +025+ | 4.75 | Norwood Gibson | 208 | BOS |
| +028+ | 4.55 | Doc White | 160 | CHA |
| +029+ | 4.41 | Frank Smith | 174.3 | CHA |
| +032+ | 4.31 | Bill Donovan | 260.3 | DET |
| +033+ | 4.23 | Kid Nichols | 283 | SLN |
| +038+ | 3.93 | Weldon Henley | 239.7 | OAK |
| +041+ | 3.53 | Otto Hess | 101.3 | CLE |
| +042+ | 3.43 | Patsy Flaherty | 246 | TOT |
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