| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 9.24 | 190405280_LAN_SFN |
| Cy Young | BOS | 8.69 | 190405270_MIN_BOS |
| Doc White | CHA | 3.2 | 190405280_CHA_CLE |
| Ed Siever | BAL | 2.93 | 190405280_BAL_DET |
| Sam Leever | PIT | 2.63 | 190405290_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Poole | LAN | -1.46 | 190405290_SFN_LAN |
| John McPherson | PHI | -0.98 | 190405280_ATL_PHI |
| Davey Dunkle | MIN | -0.53 | 190405270_MIN_BOS |
| Joe Corbett | SLN | -0.43 | 190405280_SLN_CHN |
| Buttons Briggs | CHN | -0.23 | 190405270_SLN_CHN |
Based on accumulated WAA for this season up to 1904-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.6 | Rube Waddell | 103 | OAK |
| +002+ | 4.96 | Joe McGinnity | 106 | SFN |
| +003+ | 3.95 | Red Donahue | 71 | CLE |
| +004+ | 3.92 | Cy Young | 83 | BOS |
| +005+ | 3.6 | Jack Chesbro | 110 | NYA |
| +006+ | 3.49 | Jesse Tannehill | 69.7 | BOS |
| +007+ | 3.23 | Bill Dinneen | 77 | BOS |
| +009+ | 2.69 | Frank Owen | 80 | CHA |
| +015+ | 2.35 | Norwood Gibson | 45 | BOS |
| +017+ | 2.27 | Ed Killian | 96.3 | DET |
| +019+ | 2.11 | Eddie Plank | 96 | OAK |
| +024+ | 1.61 | Jake Weimer | 78.3 | CHN |
| +026+ | 1.42 | Harry Howell | 63.7 | BAL |
| +030+ | 1.38 | Fred Glade | 54.7 | BAL |
| +032+ | 1.31 | Bill Bernhard | 77 | CLE |
| +034+ | 1.3 | Casey Patten | 78.7 | MIN |
| +035+ | 1.3 | Ed Siever | 76 | BAL |
| XXXXX | 1.19 | Weldon Henley | 76.3 | OAK |
| XXXXX | 1.12 | Nick Altrock | 71 | CHA |
| XXXXX | 0.85 | George Mullin | 100 | DET |
| XXXXX | 0.81 | Earl Moore | 44 | CLE |
| XXXXX | 0.72 | Claude Elliott | 43 | CIN |
| XXXXX | 0.67 | Ed Walsh | 29 | CHA |
| XXXXX | 0.63 | Sam Leever | 53 | PIT |
| XXXXX | 0.59 | George Winter | 28.3 | BOS |
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