| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.74 | 190307231_BOS_NYA |
| Rube Waddell | OAK | 5.18 | 190307230_OAK_MIN |
| Bill Donovan | DET | 4.14 | 190307230_CHA_DET |
| Addie Joss | CLE | 1.96 | 190307230_BAL_CLE |
| Ed Siever | BAL | 1.59 | 190307230_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -3.66 | 190307230_SFN_PHI |
| Mike O'Neill | SLN | -3.41 | 190307240_SLN_PIT |
| Togie Pittinger | ATL | -3.14 | 190307220_LAN_ATL |
| Roy Evans | BAL | -1.97 | 190307220_BAL_CLE |
| Henry Schmidt | LAN | -1.69 | 190307220_LAN_ATL |
Based on accumulated WAA for this season up to 1903-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.31 | Cy Young | 202.7 | BOS |
| +002+ | 8.49 | Rube Waddell | 236 | OAK |
| +003+ | 8.29 | Bill Donovan | 173.7 | DET |
| +004+ | 7.88 | Addie Joss | 190.7 | CLE |
| +005+ | 7.41 | Earl Moore | 159.7 | CLE |
| +006+ | 6.87 | George Mullin | 188 | DET |
| +007+ | 6.81 | Willie Sudhoff | 159.3 | BAL |
| +008+ | 6.69 | Bill Bernhard | 165.7 | CLE |
| +009+ | 6.4 | Doc White | 173.7 | CHA |
| +010+ | 6.29 | Bill Dinneen | 164.7 | BOS |
| +011+ | 6.02 | Eddie Plank | 180.7 | OAK |
| +014+ | 4.67 | Chief Bender | 170.3 | OAK |
| +016+ | 4.38 | Sam Leever | 157 | PIT |
| +018+ | 4.25 | Roy Patterson | 142 | CHA |
| +019+ | 4.18 | Jack Chesbro | 197.3 | NYA |
| +020+ | 4.14 | Barney Wolfe | 99.3 | NYA |
| +021+ | 3.93 | Ed Siever | 123.3 | BAL |
| +023+ | 3.67 | Christy Mathewson | 210.3 | SFN |
| +024+ | 3.58 | Red Donahue | 131 | BAL |
| +026+ | 3.48 | Tom Hughes | 119.7 | BOS |
| +032+ | 2.71 | Highball Wilson | 145.3 | MIN |
| +039+ | 2.34 | Clark Griffith | 133.7 | NYA |
| +041+ | 2.26 | Frank Kitson | 123.7 | DET |
| +042+ | 2.14 | Deacon Phillippe | 176.7 | PIT |
| +046+ | 2.08 | Watty Lee | 81.7 | MIN |
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