| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 11.3 | 190406130_OAK_CLE |
| Bill Dinneen | BOS | 5.22 | 190406120_BOS_BAL |
| Doc White | CHA | 2.47 | 190406130_NYA_CHA |
| George Mullin | DET | 0.9 | 190406130_MIN_DET |
| Christy Mathewson | SFN | 0.31 | 190406130_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Sutthoff | CIN | -1.5 | 190406130_CIN_PHI |
| Ed Poole | LAN | -1.12 | 190406140_CIN_LAN |
| Happy Townsend | MIN | -0.8 | 190406140_MIN_DET |
| Kaiser Wilhelm | ATL | -0.69 | 190406130_PIT_ATL |
| Chick Fraser | PHI | -0.55 | 190406130_CIN_PHI |
Based on accumulated WAA for this season up to 1904-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.24 | Joe McGinnity | 147 | SFN |
| +002+ | 7.18 | Rube Waddell | 141 | OAK |
| +003+ | 5.36 | Cy Young | 110 | BOS |
| +004+ | 4.71 | Red Donahue | 91 | CLE |
| +005+ | 4.65 | Jack Chesbro | 146 | NYA |
| +006+ | 4.51 | Frank Owen | 118.7 | CHA |
| +007+ | 4.45 | Bill Dinneen | 111.7 | BOS |
| +008+ | 4.1 | Jesse Tannehill | 104.7 | BOS |
| +012+ | 2.98 | Eddie Plank | 128 | OAK |
| +014+ | 2.68 | Ed Killian | 127.3 | DET |
| +015+ | 2.57 | Harry Howell | 97.7 | BAL |
| +021+ | 2.23 | Bill Bernhard | 109 | CLE |
| +024+ | 2 | Patsy Flaherty | 61 | TOT |
| +026+ | 1.74 | Sam Leever | 80 | PIT |
| +027+ | 1.71 | Barney Pelty | 77.3 | BAL |
| +028+ | 1.7 | Weldon Henley | 91.3 | OAK |
| +029+ | 1.68 | Jack Taylor | 101 | SLN |
| +030+ | 1.62 | George Mullin | 139 | DET |
| +042+ | 1.31 | Fred Glade | 77.7 | BAL |
| +043+ | 1.3 | Norwood Gibson | 72 | BOS |
| +044+ | 1.27 | Casey Patten | 118 | MIN |
| XXXXX | 1.22 | Ed Siever | 85 | BAL |
| XXXXX | 1.04 | George Winter | 34.3 | BOS |
| XXXXX | 1.03 | Jack Harper | 83 | CIN |
| XXXXX | 1.03 | Jack Powell | 111.7 | NYA |
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