| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 4.86 | 190307070_DET_OAK |
| Doc White | CHA | 3.91 | 190307070_CHA_NYA |
| Bill Dinneen | BOS | 3.81 | 190307090_CHA_BOS |
| Eddie Plank | OAK | 2.03 | 190307090_CLE_OAK |
| Sam Leever | PIT | 2 | 190307090_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | BAL | -3.47 | 190307070_BAL_BOS |
| Wiley Piatt | ATL | -2.42 | 190307070_ATL_CIN |
| Chick Fraser | PHI | -2.32 | 190307080_PHI_CHN |
| Henry Schmidt | LAN | -1.73 | 190307080_LAN_PIT |
| Mordecai Brown | SLN | -1.4 | 190307090_SFN_SLN |
Based on accumulated WAA for this season up to 1903-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.72 | Cy Young | 166.7 | BOS |
| +002+ | 7.4 | Rube Waddell | 204 | OAK |
| +003+ | 6.84 | Doc White | 152.3 | CHA |
| +004+ | 6.68 | Addie Joss | 155.3 | CLE |
| +005+ | 6.48 | Bill Donovan | 137.7 | DET |
| +006+ | 6.02 | Bill Dinneen | 152.7 | BOS |
| +007+ | 5.62 | Earl Moore | 129.7 | CLE |
| +008+ | 5.39 | George Mullin | 153 | DET |
| +009+ | 5.1 | Willie Sudhoff | 131 | BAL |
| +010+ | 5.02 | Jack Chesbro | 167.3 | NYA |
| +011+ | 4.72 | Eddie Plank | 153.7 | OAK |
| +013+ | 4.54 | Bill Bernhard | 136.3 | CLE |
| +014+ | 4.5 | Sam Leever | 140 | PIT |
| +018+ | 3.87 | Chief Bender | 144.3 | OAK |
| +019+ | 3.86 | Tom Hughes | 101.7 | BOS |
| +020+ | 3.63 | Red Donahue | 131 | BAL |
| +022+ | 3.25 | Christy Mathewson | 178 | SFN |
| +023+ | 3.19 | Barney Wolfe | 78.3 | NYA |
| +024+ | 3.09 | Joe McGinnity | 214.3 | SFN |
| +028+ | 2.62 | Jesse Tannehill | 133.3 | NYA |
| +030+ | 2.55 | Ed Siever | 96.3 | BAL |
| +035+ | 2.43 | Frank Kitson | 114.3 | DET |
| +042+ | 2.04 | Noodles Hahn | 129.7 | CIN |
| +046+ | 1.76 | Highball Wilson | 116.3 | MIN |
| +050+ | 1.66 | Clark Griffith | 110.7 | NYA |
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