| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 12.46 | 190405260_DET_OAK |
| Joe McGinnity | SFN | 10.07 | 190405250_SFN_LAN |
| Cy Young | BOS | 8.69 | 190405270_MIN_BOS |
| Doc White | CHA | 4.33 | 190405250_CHA_BOS |
| Sam Leever | PIT | 3.01 | 190405250_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Watty Lee | PIT | -1.89 | 190405260_CIN_PIT |
| Jack Harper | CIN | -1.87 | 190405260_CIN_PIT |
| Willie Sudhoff | BAL | -1.24 | 190405250_BAL_NYA |
| Beany Jacobson | MIN | -0.7 | 190405260_CLE_MIN |
| Chick Fraser | PHI | -0.67 | 190405270_ATL_PHI |
Based on accumulated WAA for this season up to 1904-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.64 | Rube Waddell | 103 | OAK |
| +002+ | 4.86 | Joe McGinnity | 96 | SFN |
| +003+ | 3.97 | Red Donahue | 71 | CLE |
| +004+ | 3.95 | Cy Young | 83 | BOS |
| +005+ | 3.51 | Jesse Tannehill | 69.7 | BOS |
| +006+ | 2.92 | Jack Chesbro | 101 | NYA |
| +007+ | 2.75 | Bill Dinneen | 68 | BOS |
| +008+ | 2.7 | Frank Owen | 80 | CHA |
| +010+ | 2.47 | Ed Killian | 87.3 | DET |
| +014+ | 2.36 | Norwood Gibson | 45 | BOS |
| +023+ | 1.64 | Eddie Plank | 87 | OAK |
| +025+ | 1.43 | Harry Howell | 63.7 | BAL |
| +027+ | 1.39 | Fred Glade | 54.7 | BAL |
| +031+ | 1.33 | Bill Bernhard | 77 | CLE |
| +032+ | 1.31 | Casey Patten | 78.7 | MIN |
| XXXXX | 1.21 | Weldon Henley | 76.3 | OAK |
| XXXXX | 1.13 | Jake Weimer | 69.3 | CHN |
| XXXXX | 0.96 | Doc White | 56 | CHA |
| XXXXX | 0.86 | George Mullin | 100 | DET |
| XXXXX | 0.84 | Ed Siever | 67 | BAL |
| XXXXX | 0.82 | Nick Altrock | 62 | CHA |
| XXXXX | 0.68 | Earl Moore | 35 | CLE |
| XXXXX | 0.67 | Ed Walsh | 29 | CHA |
| XXXXX | 0.61 | Sam Leever | 45 | PIT |
| XXXXX | 0.6 | George Winter | 28.3 | BOS |
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