| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Moore | CLE | 4.52 | 190308260_BAL_CLE |
| Bill Donovan | DET | 4.01 | 190308250_CHA_DET |
| Bill Dinneen | BOS | 2.36 | 190308260_BOS_OAK |
| Eddie Plank | OAK | 2.27 | 190308240_OAK_CLE |
| Roy Patterson | CHA | 0.86 | 190308260_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -4.55 | 190308240_PIT_PHI |
| Mordecai Brown | SLN | -1.41 | 190308240_SLN_ATL |
| Ned Garvin | LAN | -1.36 | 190308260_PHI_LAN |
| Ed Doheny | PIT | -1.32 | 190308251_PIT_PHI |
| John Malarkey | ATL | -0.88 | 190308240_SLN_ATL |
Based on accumulated WAA for this season up to 1903-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.56 | Earl Moore | 239.7 | CLE |
| +002+ | 11.67 | Cy Young | 275.7 | BOS |
| +003+ | 11.02 | Bill Donovan | 245 | DET |
| +004+ | 10.86 | Addie Joss | 274.7 | CLE |
| +005+ | 10.77 | Willie Sudhoff | 230.7 | BAL |
| +006+ | 10.65 | Rube Waddell | 324 | OAK |
| +007+ | 9.67 | Doc White | 248.7 | CHA |
| +008+ | 9.37 | George Mullin | 254.7 | DET |
| +009+ | 8.99 | Bill Dinneen | 238.7 | BOS |
| +010+ | 8.53 | Eddie Plank | 253.7 | OAK |
| +011+ | 6.89 | Frank Kitson | 201.7 | DET |
| +017+ | 5.43 | Roy Patterson | 226.7 | CHA |
| +018+ | 5.41 | Tom Hughes | 177.7 | BOS |
| +019+ | 5.38 | Chief Bender | 223.3 | OAK |
| +020+ | 5.32 | Jack Chesbro | 257.3 | NYA |
| +022+ | 4.78 | Ed Siever | 183 | BAL |
| +023+ | 4.77 | Red Donahue | 193 | TOT |
| +026+ | 4.42 | Sam Leever | 231 | PIT |
| +027+ | 4.41 | Clark Griffith | 186 | NYA |
| +033+ | 3.88 | Christy Mathewson | 301.7 | SFN |
| +035+ | 3.66 | Jack Powell | 233.3 | BAL |
| +036+ | 3.59 | Watty Lee | 112.3 | MIN |
| +037+ | 3.57 | Barney Wolfe | 115.3 | NYA |
| +047+ | 2.72 | Jesse Tannehill | 202.3 | NYA |
| +048+ | 2.7 | Patsy Flaherty | 238.7 | CHA |
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