| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.58 | 190307010_BOS_CHA |
| Addie Joss | CLE | 1.68 | 190307010_OAK_CLE |
| George Mullin | DET | 1.26 | 190307020_MIN_DET |
| Deacon Phillippe | PIT | 1.18 | 190307010_PIT_LAN |
| Joe McGinnity | SFN | 0.89 | 190307010_SLN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -4.63 | 190307010_CHN_PHI |
| Ned Garvin | LAN | -0.77 | 190307020_PIT_LAN |
| Al Orth | MIN | -0.67 | 190307010_MIN_DET |
| Brickyard Kennedy | PIT | -0.65 | 190307030_PHI_PIT |
| Clarence Currie | SLN | -0.61 | 190307010_SLN_SFN |
Based on accumulated WAA for this season up to 1903-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.58 | Cy Young | 157.7 | BOS |
| +002+ | 7.49 | Rube Waddell | 186 | OAK |
| +003+ | 6.66 | George Mullin | 144 | DET |
| +004+ | 5.9 | Bill Donovan | 119.7 | DET |
| +005+ | 5.66 | Addie Joss | 146.3 | CLE |
| +006+ | 5.63 | Doc White | 134.3 | CHA |
| +007+ | 5.29 | Earl Moore | 121 | CLE |
| +008+ | 4.87 | Bill Dinneen | 134.7 | BOS |
| +009+ | 4.73 | Jack Chesbro | 149.3 | NYA |
| +010+ | 4.64 | Eddie Plank | 135.7 | OAK |
| +012+ | 3.89 | Willie Sudhoff | 113 | BAL |
| +013+ | 3.67 | Roy Patterson | 109 | CHA |
| +014+ | 3.56 | Joe McGinnity | 194.7 | SFN |
| +015+ | 3.55 | Bill Bernhard | 125 | CLE |
| +017+ | 3.41 | Red Donahue | 131 | BAL |
| +020+ | 3.16 | Tom Hughes | 92.7 | BOS |
| +021+ | 3.14 | Chief Bender | 135.3 | OAK |
| +022+ | 2.95 | Sam Leever | 122 | PIT |
| +028+ | 2.53 | Barney Wolfe | 69.3 | NYA |
| +030+ | 2.44 | Ed Siever | 76 | BAL |
| +034+ | 2.24 | Jesse Tannehill | 123.3 | NYA |
| +035+ | 2.13 | Christy Mathewson | 161 | SFN |
| +036+ | 2.06 | Frank Kitson | 98.3 | DET |
| +038+ | 2.05 | Jake Weimer | 124.3 | CHN |
| +044+ | 1.83 | Noodles Hahn | 115.7 | CIN |
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