| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 7.45 | 190404290_ATL_SFN |
| Doc White | CHA | 5.11 | 190404280_CHA_DET |
| Bill Dinneen | BOS | 4.15 | 190404290_BOS_MIN |
| Jack Taylor | SLN | 4.03 | 190404280_CIN_SLN |
| Bill Donovan | DET | 3.95 | 190404270_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -3.61 | 190404290_CIN_SLN |
| Chappie McFarland | SLN | -0.25 | 190404290_CIN_SLN |
| Frank Owen | CHA | -0.09 | 190404290_CHA_DET |
| Davey Dunkle | MIN | -0.03 | 190404290_BOS_MIN |
| Ed Killian | DET | 0.11 | 190404280_CHA_DET |
Based on accumulated WAA for this season up to 1904-04-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.07 | Togie Pittinger | 27 | ATL |
| +002+ | 2.06 | Joe McGinnity | 41 | SFN |
| +003+ | 1.91 | Rube Waddell | 30 | OAK |
| +006+ | 1.48 | Jesse Tannehill | 18 | BOS |
| +005+ | 1.48 | Norwood Gibson | 18 | BOS |
| +008+ | 1.43 | Red Donahue | 18 | CLE |
| +009+ | 1.41 | Bill Bernhard | 27 | CLE |
| +011+ | 1.26 | Ed Killian | 41 | DET |
| XXXXX | 1.13 | Patsy Flaherty | 24 | CHA |
| XXXXX | 1.11 | Bill Dinneen | 23 | BOS |
| XXXXX | 1.05 | Jack Chesbro | 27 | NYA |
| XXXXX | 0.96 | Frank Owen | 36 | CHA |
| XXXXX | 0.88 | Cy Young | 25 | BOS |
| XXXXX | 0.86 | Jack Powell | 29.7 | NYA |
| XXXXX | 0.85 | George Winter | 9 | BOS |
| XXXXX | 0.75 | Bill Donovan | 28 | DET |
| XXXXX | 0.73 | Oscar Jones | 36 | LAN |
| XXXXX | 0.72 | Barney Pelty | 34 | BAL |
| XXXXX | 0.71 | Weldon Henley | 28 | OAK |
| XXXXX | 0.65 | Casey Patten | 27 | MIN |
| XXXXX | 0.64 | Harry Howell | 10 | BAL |
| XXXXX | 0.58 | Otto Hess | 8.7 | CLE |
| XXXXX | 0.57 | John McPherson | 23 | PHI |
| XXXXX | 0.51 | Chick Fraser | 17 | PHI |
| XXXXX | 0.49 | Davey Dunkle | 13 | MIN |
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