| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.93 | 190408150_OAK_DET |
| Joe McGinnity | SFN | 4.76 | 190408150_CIN_SFN |
| Jack Chesbro | NYA | 3.41 | 190408150_NYA_BAL |
| Frank Owen | CHA | 3.26 | 190408160_BOS_CHA |
| Cy Young | BOS | 2.73 | 190408160_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -7.9 | 190408172_CHN_ATL |
| Bill Duggleby | PHI | -7.63 | 190408162_SLN_PHI |
| Oscar Jones | LAN | -2.04 | 190408150_SLN_LAN |
| Happy Townsend | MIN | -1.45 | 190408150_MIN_CLE |
| Bob Ewing | CIN | -0.81 | 190408162_CIN_LAN |
Based on accumulated WAA for this season up to 1904-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.61 | Rube Waddell | 274.3 | OAK |
| +002+ | 9.42 | Joe McGinnity | 292.3 | SFN |
| +003+ | 9.23 | Frank Owen | 260 | CHA |
| +004+ | 9.22 | Jack Chesbro | 292 | NYA |
| +005+ | 7.33 | Eddie Plank | 258 | OAK |
| +007+ | 6.93 | Cy Young | 254.3 | BOS |
| +008+ | 5.86 | Jesse Tannehill | 211.7 | BOS |
| +009+ | 5.64 | Ed Killian | 250.3 | DET |
| +010+ | 5.43 | Patsy Flaherty | 203 | TOT |
| +012+ | 5.27 | Earl Moore | 201.3 | CLE |
| +013+ | 5.24 | Frank Smith | 124.7 | CHA |
| +014+ | 5.17 | Bill Dinneen | 197.7 | BOS |
| +016+ | 4.94 | Red Donahue | 179 | CLE |
| +017+ | 4.93 | Bill Bernhard | 218 | CLE |
| +019+ | 4.51 | Harry Howell | 189 | BAL |
| +020+ | 4.45 | Fred Glade | 191 | BAL |
| +021+ | 4.37 | George Mullin | 273 | DET |
| +024+ | 4.04 | Jack Powell | 255.7 | NYA |
| +028+ | 3.94 | Kid Nichols | 202 | SLN |
| +035+ | 3.04 | Doc White | 126 | CHA |
| +038+ | 2.96 | Weldon Henley | 186.7 | OAK |
| +039+ | 2.86 | Bill Donovan | 207 | DET |
| +043+ | 2.68 | Nick Altrock | 217 | CHA |
| +044+ | 2.66 | Addie Joss | 103.7 | CLE |
| +045+ | 2.65 | Jake Weimer | 202.7 | CHN |
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