| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 9.85 | 190407020_ATL_SFN |
| Jack Chesbro | NYA | 2.67 | 190407010_MIN_NYA |
| Eddie Plank | OAK | 2.66 | 190407020_OAK_BOS |
| Red Donahue | CLE | 1.92 | 190407022_CLE_DET |
| Doc White | CHA | 1.85 | 190407020_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John McPherson | PHI | -2.67 | 190407022_LAN_PHI |
| Jack Harper | CIN | -2.07 | 190407020_CIN_PIT |
| Vic Willis | ATL | -1.75 | 190407020_ATL_SFN |
| Ed Poole | LAN | -1.41 | 190407010_LAN_PHI |
| Jesse Stovall | DET | -1.12 | 190407021_CLE_DET |
Based on accumulated WAA for this season up to 1904-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.54 | Joe McGinnity | 201 | SFN |
| +002+ | 7.79 | Rube Waddell | 169.3 | OAK |
| +003+ | 6.65 | Jack Chesbro | 182 | NYA |
| +004+ | 5.77 | Red Donahue | 116.7 | CLE |
| +005+ | 5.74 | Frank Owen | 162.7 | CHA |
| +006+ | 5.1 | Cy Young | 145 | BOS |
| +007+ | 4.37 | Eddie Plank | 161 | OAK |
| +008+ | 4.22 | Jesse Tannehill | 131.7 | BOS |
| +010+ | 3.94 | Harry Howell | 124.7 | BAL |
| +011+ | 3.87 | George Mullin | 184 | DET |
| +014+ | 3.3 | Bill Bernhard | 132 | CLE |
| +016+ | 3.25 | Patsy Flaherty | 105 | TOT |
| +018+ | 3.09 | Bill Dinneen | 130.7 | BOS |
| +020+ | 3.04 | Ed Killian | 156 | DET |
| +023+ | 2.86 | Weldon Henley | 117.7 | OAK |
| +027+ | 2.49 | Nick Altrock | 138.3 | CHA |
| +026+ | 2.49 | Jack Powell | 147 | NYA |
| +029+ | 2.32 | Jack Taylor | 147 | SLN |
| +028+ | 2.32 | Fred Glade | 103.7 | BAL |
| +033+ | 2.16 | Barney Pelty | 104.3 | BAL |
| +035+ | 2 | Jake Weimer | 128.7 | CHN |
| +036+ | 1.87 | George Winter | 51.3 | BOS |
| +040+ | 1.82 | Ed Siever | 119 | BAL |
| +041+ | 1.8 | Norwood Gibson | 89 | BOS |
| +046+ | 1.68 | Kid Nichols | 122 | SLN |
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