| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 10.38 | 190405110_DET_BOS |
| Rube Waddell | OAK | 10.33 | 190405110_CHA_OAK |
| Joe McGinnity | SFN | 7.58 | 190405090_SFN_SLN |
| Sam Leever | PIT | 3.27 | 190405110_LAN_PIT |
| Carl Lundgren | CHN | 0.49 | 190405110_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Ewing | CIN | -2.16 | 190405110_SFN_CIN |
| Ed Poole | LAN | -2.04 | 190405100_LAN_CIN |
| Johnny Lush | PHI | -1.65 | 190405090_PHI_PIT |
| Joe Corbett | SLN | -0.92 | 190405090_SFN_SLN |
| Roscoe Miller | PIT | -0.72 | 190405100_PHI_PIT |
Based on accumulated WAA for this season up to 1904-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.61 | Rube Waddell | 68 | OAK |
| +002+ | 3.36 | Cy Young | 56 | BOS |
| +003+ | 2.92 | Joe McGinnity | 60 | SFN |
| +004+ | 2.48 | Norwood Gibson | 36 | BOS |
| +005+ | 2.31 | Ed Killian | 64.3 | DET |
| +006+ | 2.28 | Red Donahue | 35 | CLE |
| +007+ | 2.21 | Jack Powell | 47.7 | NYA |
| +012+ | 1.88 | Frank Owen | 53 | CHA |
| +014+ | 1.85 | Jesse Tannehill | 36 | BOS |
| +017+ | 1.58 | Bill Bernhard | 53 | CLE |
| +018+ | 1.47 | Patsy Flaherty | 43 | CHA |
| +019+ | 1.44 | Bill Dinneen | 41 | BOS |
| +022+ | 1.31 | Jack Cronin | 55 | LAN |
| XXXXX | 1.23 | Jake Weimer | 35.3 | CHN |
| XXXXX | 1.2 | Jack Chesbro | 53 | NYA |
| XXXXX | 1.12 | Weldon Henley | 45 | OAK |
| XXXXX | 0.95 | Claude Elliott | 34 | CIN |
| XXXXX | 0.85 | Fred Glade | 17 | BAL |
| XXXXX | 0.81 | Doc White | 30 | CHA |
| XXXXX | 0.8 | Earl Moore | 9 | CLE |
| XXXXX | 0.8 | Oscar Jones | 61 | LAN |
| XXXXX | 0.76 | Eddie Plank | 51 | OAK |
| XXXXX | 0.74 | George Winter | 11 | BOS |
| XXXXX | 0.72 | Ed Siever | 46 | BAL |
| XXXXX | 0.71 | Bill Donovan | 45 | DET |
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