| 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 |
| Cy Young | BOS | 3.22 | 190408130_BOS_BAL |
| Frank Smith | CHA | 0.96 | 190408150_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kaiser Wilhelm | ATL | -3.48 | 190408130_PIT_ATL |
| Tully Sparks | PHI | -2.62 | 190408132_CHN_PHI |
| Oscar Jones | LAN | -2.04 | 190408150_SLN_LAN |
| Happy Townsend | MIN | -1.45 | 190408150_MIN_CLE |
| Buttons Briggs | CHN | -0.49 | 190408132_CHN_PHI |
Based on accumulated WAA for this season up to 1904-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.88 | Rube Waddell | 274.3 | OAK |
| +002+ | 9.34 | Joe McGinnity | 292.3 | SFN |
| +003+ | 9.14 | Jack Chesbro | 292 | NYA |
| +004+ | 8.47 | Frank Owen | 251 | CHA |
| +005+ | 7.28 | Cy Young | 246.3 | BOS |
| +006+ | 7.05 | Eddie Plank | 246 | OAK |
| +008+ | 6.14 | Ed Killian | 240.3 | DET |
| +010+ | 5.23 | Earl Moore | 201.3 | CLE |
| +011+ | 5.22 | Frank Smith | 124.7 | CHA |
| +012+ | 5.11 | Bill Dinneen | 197.7 | BOS |
| +013+ | 5.09 | Jesse Tannehill | 202.7 | BOS |
| +014+ | 5.07 | Patsy Flaherty | 194 | TOT |
| +016+ | 4.91 | Red Donahue | 179 | CLE |
| +017+ | 4.47 | Harry Howell | 189 | BAL |
| +018+ | 4.32 | George Mullin | 261 | DET |
| +021+ | 4.17 | Bill Bernhard | 209 | CLE |
| +023+ | 3.96 | Jack Powell | 247.7 | NYA |
| +024+ | 3.93 | Fred Glade | 182 | BAL |
| +030+ | 3.4 | Kid Nichols | 193 | SLN |
| +032+ | 3.24 | Nick Altrock | 214 | CHA |
| +036+ | 3.03 | Bill Donovan | 207 | DET |
| +037+ | 3.01 | Doc White | 126 | CHA |
| +038+ | 2.98 | Weldon Henley | 176.7 | OAK |
| +043+ | 2.74 | Jake Weimer | 193.7 | CHN |
| +044+ | 2.65 | Addie Joss | 103.7 | CLE |
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