| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 12.79 | 190406070_OAK_CHA |
| Joe McGinnity | SFN | 11.39 | 190406080_PIT_SFN |
| Bill Dinneen | BOS | 4.86 | 190406070_BOS_DET |
| Jack Taylor | SLN | 2.93 | 190406070_SLN_PHI |
| Sam Leever | PIT | 2.83 | 190406070_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -2.1 | 190406090_CIN_ATL |
| Jack Sutthoff | CIN | -1.12 | 190406070_CIN_ATL |
| Ed Poole | LAN | -0.96 | 190406080_CHN_LAN |
| Joe Corbett | SLN | -0.92 | 190406080_SLN_PHI |
| Happy Townsend | MIN | -0.75 | 190406080_MIN_BAL |
Based on accumulated WAA for this season up to 1904-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.74 | Rube Waddell | 131 | OAK |
| +002+ | 6.61 | Joe McGinnity | 135 | SFN |
| +003+ | 5.01 | Cy Young | 101 | BOS |
| +004+ | 4.71 | Red Donahue | 91 | CLE |
| +005+ | 4.55 | Jack Chesbro | 137 | NYA |
| +006+ | 4.45 | Frank Owen | 107 | CHA |
| +007+ | 3.95 | Jesse Tannehill | 95.7 | BOS |
| +008+ | 3.53 | Bill Dinneen | 95.7 | BOS |
| +017+ | 2.23 | Norwood Gibson | 64 | BOS |
| +018+ | 2.2 | Eddie Plank | 119 | OAK |
| +019+ | 2.03 | Ed Killian | 114.3 | DET |
| +022+ | 1.9 | Harry Howell | 81.7 | BAL |
| +024+ | 1.69 | Bill Bernhard | 95 | CLE |
| +026+ | 1.65 | Fred Glade | 72.7 | BAL |
| +028+ | 1.51 | Togie Pittinger | 106.3 | ATL |
| +029+ | 1.44 | Weldon Henley | 83.3 | OAK |
| +030+ | 1.44 | Jack Powell | 103.7 | NYA |
| +031+ | 1.43 | Earl Moore | 62 | CLE |
| +037+ | 1.38 | Jack Taylor | 92 | SLN |
| +040+ | 1.33 | Barney Pelty | 68.3 | BAL |
| +045+ | 1.28 | George Mullin | 130 | DET |
| +046+ | 1.28 | Jake Weimer | 86.3 | CHN |
| +047+ | 1.27 | Ed Siever | 76 | BAL |
| XXXXX | 1.25 | Sam Leever | 71 | PIT |
| XXXXX | 1.23 | Jack Cronin | 109.7 | LAN |
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