| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.95 | 190404250_BOS_OAK |
| Joe McGinnity | SFN | 7.49 | 190404230_PHI_SFN |
| Cy Young | BOS | 6.95 | 190404250_BOS_OAK |
| Doc White | CHA | 6.94 | 190404230_CHA_CLE |
| Bill Donovan | DET | 4.45 | 190404230_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Ewing | CIN | -1.28 | 190404230_CIN_PIT |
| Tully Sparks | PHI | -1.11 | 190404230_PHI_SFN |
| Bucky Veil | PIT | -0.56 | 190404230_CIN_PIT |
| Ed Poole | LAN | -0.54 | 190404250_LAN_SFN |
| Highball Wilson | MIN | -0.43 | 190404250_NYA_MIN |
Based on accumulated WAA for this season up to 1904-04-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.15 | Togie Pittinger | 27 | ATL |
| +002+ | 1.96 | Rube Waddell | 30 | OAK |
| +004+ | 1.59 | Joe McGinnity | 32 | SFN |
| +005+ | 1.5 | Bill Bernhard | 27 | CLE |
| +006+ | 1.49 | Red Donahue | 18 | CLE |
| +007+ | 1.48 | Jesse Tannehill | 18 | BOS |
| XXXXX | 1.13 | Jack Chesbro | 27 | NYA |
| XXXXX | 1.03 | Frank Owen | 27 | CHA |
| XXXXX | 0.95 | Jack Powell | 29.7 | NYA |
| XXXXX | 0.92 | Ed Killian | 32 | DET |
| XXXXX | 0.88 | Cy Young | 25 | BOS |
| XXXXX | 0.85 | Norwood Gibson | 9 | BOS |
| XXXXX | 0.85 | George Winter | 9 | BOS |
| XXXXX | 0.85 | Bill Dinneen | 18 | BOS |
| XXXXX | 0.64 | Harry Howell | 10 | BAL |
| XXXXX | 0.64 | Patsy Flaherty | 16 | CHA |
| XXXXX | 0.62 | Doc White | 18 | CHA |
| XXXXX | 0.61 | Otto Hess | 8.7 | CLE |
| XXXXX | 0.6 | Casey Patten | 27 | MIN |
| XXXXX | 0.6 | John McPherson | 23 | PHI |
| XXXXX | 0.55 | Barney Pelty | 25 | BAL |
| XXXXX | 0.52 | Chick Fraser | 9 | PHI |
| XXXXX | 0.51 | Chief Bender | 9 | OAK |
| XXXXX | 0.47 | Davey Dunkle | 8 | MIN |
| XXXXX | 0.46 | Weldon Henley | 19 | OAK |
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