| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 11.68 | 190406170_OAK_DET |
| Joe McGinnity | SFN | 10.35 | 190406180_LAN_SFN |
| Bill Dinneen | BOS | 3.96 | 190406180_BOS_CHA |
| Jack Chesbro | NYA | 1.75 | 190406160_NYA_BAL |
| Bill Donovan | DET | 1.58 | 190406180_OAK_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John McPherson | PHI | -2.29 | 190406180_PHI_ATL |
| Tom Fisher | ATL | -2.21 | 190406160_CHN_ATL |
| Happy Townsend | MIN | -1.34 | 190406180_MIN_CLE |
| Joe Corbett | SLN | -0.98 | 190406180_SLN_PIT |
| Ed Poole | LAN | -0.91 | 190406170_LAN_SFN |
Based on accumulated WAA for this season up to 1904-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.85 | Rube Waddell | 150 | OAK |
| +002+ | 7.48 | Joe McGinnity | 165 | SFN |
| +003+ | 5.49 | Red Donahue | 100 | CLE |
| +004+ | 5.48 | Jack Chesbro | 155 | NYA |
| +005+ | 5.44 | Cy Young | 118 | BOS |
| +006+ | 4.62 | Frank Owen | 127.7 | CHA |
| +007+ | 4.16 | Jesse Tannehill | 104.7 | BOS |
| +008+ | 3.92 | Bill Dinneen | 122.7 | BOS |
| +015+ | 2.93 | Eddie Plank | 136 | OAK |
| +016+ | 2.64 | Harry Howell | 97.7 | BAL |
| +017+ | 2.55 | Bill Bernhard | 115 | CLE |
| +018+ | 2.43 | Ed Killian | 136.3 | DET |
| +022+ | 2.27 | Weldon Henley | 99.7 | OAK |
| +024+ | 2.22 | Barney Pelty | 86.3 | BAL |
| +025+ | 2.12 | Patsy Flaherty | 70 | TOT |
| +026+ | 2.07 | Jack Taylor | 110 | SLN |
| +030+ | 1.88 | Sam Leever | 89 | PIT |
| +034+ | 1.59 | George Mullin | 148 | DET |
| +038+ | 1.37 | Fred Glade | 77.7 | BAL |
| +040+ | 1.34 | Norwood Gibson | 72 | BOS |
| +045+ | 1.28 | George Winter | 42.3 | BOS |
| +044+ | 1.28 | Ed Siever | 85 | BAL |
| +047+ | 1.26 | Bill Donovan | 120 | DET |
| XXXXX | 1.16 | Earl Moore | 81 | CLE |
| XXXXX | 1.11 | Jack Powell | 111.7 | NYA |
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