| 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 1904-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.7 | Bill Bernhard | 27 | CLE |
| +003+ | 1.43 | Togie Pittinger | 18 | ATL |
| +004+ | 1.29 | Rube Waddell | 21 | OAK |
| +005+ | 1.29 | Joe McGinnity | 25 | SFN |
| +006+ | 1.28 | Jack Chesbro | 27 | NYA |
| XXXXX | 0.97 | Ed Killian | 20 | DET |
| XXXXX | 0.96 | John McPherson | 15 | PHI |
| XXXXX | 0.95 | Bill Dinneen | 18 | BOS |
| XXXXX | 0.92 | Red Donahue | 9 | CLE |
| XXXXX | 0.9 | Jesse Tannehill | 9 | BOS |
| XXXXX | 0.9 | Norwood Gibson | 9 | BOS |
| XXXXX | 0.9 | George Winter | 9 | BOS |
| XXXXX | 0.9 | Patsy Flaherty | 9 | CHA |
| XXXXX | 0.74 | Frank Owen | 18 | CHA |
| XXXXX | 0.71 | Barney Pelty | 24 | BAL |
| XXXXX | 0.7 | Casey Patten | 27 | MIN |
| XXXXX | 0.59 | Oscar Jones | 27 | LAN |
| XXXXX | 0.52 | Chief Bender | 9 | OAK |
| XXXXX | 0.51 | Bill Donovan | 9 | DET |
| XXXXX | 0.5 | Weldon Henley | 19 | OAK |
| XXXXX | 0.49 | Davey Dunkle | 8 | MIN |
| XXXXX | 0.49 | Chick Fraser | 9 | PHI |
| XXXXX | 0.48 | Doc White | 9 | CHA |
| XXXXX | 0.47 | Jack Powell | 20.7 | NYA |
| XXXXX | 0.43 | Ed Poole | 17 | LAN |
_