| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 7.49 | 190404230_PHI_SFN |
| Rube Waddell | OAK | 7.4 | 190404210_NYA_OAK |
| Doc White | CHA | 6.94 | 190404230_CHA_CLE |
| Bill Dinneen | BOS | 4.59 | 190404220_BOS_OAK |
| Bill Donovan | DET | 4.45 | 190404230_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -4.36 | 190404220_CIN_PIT |
| Jack Pfiester | PIT | -2 | 190404220_CIN_PIT |
| John Brackenridge | PHI | -1.36 | 190404220_PHI_SFN |
| Weldon Henley | OAK | -0.86 | 190404220_BOS_OAK |
| Elmer Stricklett | CHA | -0.82 | 190404220_CHA_CLE |
Based on accumulated WAA for this season up to 1904-04-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.59 | Joe McGinnity | 32 | SFN |
| +003+ | 1.57 | Bill Bernhard | 27 | CLE |
| +004+ | 1.54 | Red Donahue | 18 | CLE |
| +005+ | 1.51 | Jesse Tannehill | 18 | BOS |
| +006+ | 1.35 | Togie Pittinger | 18 | ATL |
| +007+ | 1.26 | Rube Waddell | 21 | OAK |
| XXXXX | 1.19 | Jack Chesbro | 27 | NYA |
| XXXXX | 0.96 | John McPherson | 15 | PHI |
| XXXXX | 0.93 | Ed Killian | 20 | DET |
| XXXXX | 0.88 | Bill Dinneen | 18 | BOS |
| XXXXX | 0.86 | Norwood Gibson | 9 | BOS |
| XXXXX | 0.86 | Patsy Flaherty | 9 | CHA |
| XXXXX | 0.86 | George Winter | 9 | BOS |
| XXXXX | 0.73 | Harry Howell | 10 | BAL |
| XXXXX | 0.69 | Barney Pelty | 24 | BAL |
| XXXXX | 0.67 | Frank Owen | 18 | CHA |
| XXXXX | 0.67 | Doc White | 18 | CHA |
| XXXXX | 0.64 | Casey Patten | 27 | MIN |
| XXXXX | 0.64 | Bill Donovan | 19 | DET |
| XXXXX | 0.51 | Chief Bender | 9 | OAK |
| XXXXX | 0.49 | Chick Fraser | 9 | PHI |
| XXXXX | 0.48 | Davey Dunkle | 8 | MIN |
| XXXXX | 0.48 | Oscar Jones | 27 | LAN |
| XXXXX | 0.47 | Weldon Henley | 19 | OAK |
| XXXXX | 0.46 | Kid Nichols | 18 | SLN |
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