| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.81 | 190305020_OAK_BOS |
| Ed Siever | BAL | 5.33 | 190305020_DET_BAL |
| Christy Mathewson | SFN | 2.62 | 190305010_SFN_PHI |
| Jack Taylor | CHN | 2.6 | 190305020_CHN_PIT |
| Doc White | CHA | 2.29 | 190305020_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -1.12 | 190305020_SLN_CIN |
| Roy Evans | LAN | -1.07 | 190305020_LAN_PHI |
| Wiley Piatt | ATL | -1.05 | 190304300_ATL_LAN |
| Cy Falkenberg | PIT | -0.7 | 190305020_CHN_PIT |
| War Sanders | SLN | -0.36 | 190305020_SLN_CIN |
Based on accumulated WAA for this season up to 1903-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.36 | George Mullin | 27 | DET |
| +002+ | 2.26 | Togie Pittinger | 36 | ATL |
| +004+ | 1.84 | Eddie Plank | 30 | OAK |
| +005+ | 1.78 | Jack Chesbro | 27 | NYA |
| +006+ | 1.69 | Cy Young | 34 | BOS |
| +007+ | 1.63 | Addie Joss | 17 | CLE |
| +008+ | 1.5 | Henry Schmidt | 36 | LAN |
| +009+ | 1.43 | Bill Donovan | 18 | DET |
| +010+ | 1.36 | Barney Wolfe | 19 | NYA |
| +011+ | 1.29 | Bill Duggleby | 38.3 | PHI |
| XXXXX | 1.09 | Rube Waddell | 35 | OAK |
| XXXXX | 0.98 | Sam Leever | 20 | PIT |
| XXXXX | 0.91 | Mal Eason | 17 | DET |
| XXXXX | 0.85 | Oscar Jones | 38 | LAN |
| XXXXX | 0.84 | Tom Hughes | 12 | BOS |
| XXXXX | 0.83 | Bob Wicker | 19.7 | TOT |
| XXXXX | 0.83 | Roy Patterson | 16 | CHA |
| XXXXX | 0.82 | Highball Wilson | 18 | MIN |
| XXXXX | 0.82 | Casey Patten | 18 | MIN |
| XXXXX | 0.76 | Earl Moore | 9 | CLE |
| XXXXX | 0.73 | Jack Sutthoff | 23 | CIN |
| XXXXX | 0.7 | Chief Bender | 23 | OAK |
| XXXXX | 0.7 | Brickyard Kennedy | 9 | PIT |
| XXXXX | 0.65 | Patsy Flaherty | 20.3 | CHA |
| XXXXX | 0.52 | Harry Howell | 21 | NYA |
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