| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Moore | CLE | 4.6 | 190308311_CLE_BAL |
| Cy Young | BOS | 4.59 | 190308291_BOS_MIN |
| Willie Sudhoff | BAL | 3.3 | 190308302_CLE_BAL |
| Doc White | CHA | 3 | 190308302_DET_CHA |
| George Mullin | DET | 2.42 | 190308301_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | PHI | -3.08 | 190308311_PHI_SFN |
| Bob Rhoads | SLN | -2.11 | 190308292_SLN_PIT |
| Ed Doheny | PIT | -1.33 | 190308300_PIT_SLN |
| Gene Wright | BAL | -0.8 | 190308311_CLE_BAL |
| Pop Williams | ATL | -0.46 | 190308310_ATL_LAN |
Based on accumulated WAA for this season up to 1903-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.25 | Cy Young | 285.7 | BOS |
| +002+ | 12.06 | Earl Moore | 247.7 | CLE |
| +003+ | 11.04 | Bill Donovan | 245 | DET |
| +004+ | 10.87 | Addie Joss | 283.7 | CLE |
| +005+ | 10.66 | Willie Sudhoff | 238.7 | BAL |
| +006+ | 10.63 | Rube Waddell | 324 | OAK |
| +007+ | 9.9 | Doc White | 255.7 | CHA |
| +008+ | 9.79 | George Mullin | 263.7 | DET |
| +009+ | 9.13 | Bill Dinneen | 248 | BOS |
| +010+ | 8.48 | Eddie Plank | 262.7 | OAK |
| +015+ | 6.28 | Frank Kitson | 208.7 | DET |
| +018+ | 5.89 | Jack Chesbro | 266.3 | NYA |
| +019+ | 5.6 | Tom Hughes | 186.7 | BOS |
| +020+ | 5.46 | Roy Patterson | 226.7 | CHA |
| +021+ | 5.38 | Red Donahue | 202 | TOT |
| +022+ | 5.37 | Chief Bender | 223.3 | OAK |
| +023+ | 5.3 | Jack Powell | 251.3 | BAL |
| +024+ | 4.78 | Sam Leever | 240 | PIT |
| +025+ | 4.67 | Ed Siever | 191 | BAL |
| +028+ | 4.4 | Clark Griffith | 186 | NYA |
| +036+ | 3.73 | Watty Lee | 122.3 | MIN |
| +038+ | 3.56 | Barney Wolfe | 115.3 | NYA |
| +040+ | 3.42 | Christy Mathewson | 310.7 | SFN |
| +045+ | 3.11 | Patsy Flaherty | 247.7 | CHA |
| +047+ | 3 | Highball Wilson | 206.3 | MIN |
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