| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 10.93 | 190405140_CHA_OAK |
| Joe McGinnity | SFN | 8.84 | 190405140_SFN_CIN |
| Bill Dinneen | BOS | 4.3 | 190405130_DET_BOS |
| Doc White | CHA | 3.65 | 190405120_CHA_OAK |
| Jack Taylor | SLN | 2.9 | 190405120_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -3.97 | 190405120_SFN_CIN |
| Tully Sparks | PHI | -1.74 | 190405140_PHI_CHN |
| Willie Sudhoff | BAL | -1.14 | 190405120_BAL_MIN |
| Ed Poole | LAN | -1.14 | 190405130_LAN_PIT |
| Del Mason | MIN | -0.97 | 190405120_BAL_MIN |
Based on accumulated WAA for this season up to 1904-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.18 | Rube Waddell | 77 | OAK |
| +002+ | 3.71 | Joe McGinnity | 69 | SFN |
| +003+ | 3.32 | Cy Young | 56 | BOS |
| +004+ | 3.11 | Red Donahue | 44 | CLE |
| +005+ | 2.6 | Jesse Tannehill | 47.7 | BOS |
| +006+ | 2.49 | Frank Owen | 62 | CHA |
| +007+ | 2.45 | Norwood Gibson | 36 | BOS |
| +008+ | 2.43 | Ed Killian | 64.3 | DET |
| +011+ | 1.96 | Bill Dinneen | 50 | BOS |
| +017+ | 1.72 | Jack Powell | 56.7 | NYA |
| +018+ | 1.67 | Weldon Henley | 54 | OAK |
| +019+ | 1.61 | Bill Bernhard | 53 | CLE |
| +020+ | 1.52 | Patsy Flaherty | 43 | CHA |
| +027+ | 1.27 | Jack Chesbro | 71 | NYA |
| XXXXX | 1.12 | Fred Glade | 28.7 | BAL |
| XXXXX | 1.11 | Eddie Plank | 60 | OAK |
| XXXXX | 1.02 | Jake Weimer | 40.3 | CHN |
| XXXXX | 0.81 | Oscar Jones | 61 | LAN |
| XXXXX | 0.78 | Jack Cronin | 63 | LAN |
| XXXXX | 0.75 | Ed Siever | 46 | BAL |
| XXXXX | 0.69 | Harry Howell | 31.3 | BAL |
| XXXXX | 0.67 | Barney Pelty | 36.7 | BAL |
| XXXXX | 0.62 | Chick Fraser | 43 | PHI |
| XXXXX | 0.52 | Chief Bender | 9 | OAK |
| XXXXX | 0.48 | Earl Moore | 17 | CLE |
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