| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.3 | 190309261_BAL_BOS |
| George Mullin | DET | 4.88 | 190309261_DET_NYA |
| Willie Sudhoff | BAL | 3.7 | 190309282_BAL_BOS |
| Eddie Plank | OAK | 3.69 | 190309280_CLE_OAK |
| Roy Patterson | CHA | 1.82 | 190309281_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -3.65 | 190309260_ATL_CHN |
| Chick Fraser | PHI | -3.19 | 190309271_PHI_SLN |
| Bob Rhoads | CLE | -2.37 | 190309260_CLE_OAK |
| Chappie McFarland | SLN | -1.13 | 190309260_PHI_SLN |
| Carl Lundgren | CHN | -0.45 | 190309260_ATL_CHN |
Based on accumulated WAA for this season up to 1903-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.64 | Cy Young | 341.7 | BOS |
| +002+ | 12.54 | George Mullin | 320.7 | DET |
| +004+ | 11.89 | Doc White | 300 | CHA |
| +005+ | 11.71 | Bill Donovan | 307 | DET |
| +006+ | 11.66 | Eddie Plank | 337 | OAK |
| +007+ | 11.42 | Bill Dinneen | 300 | BOS |
| +008+ | 11.35 | Willie Sudhoff | 293.7 | BAL |
| +011+ | 8.56 | Ed Siever | 254 | BAL |
| +012+ | 8.23 | Red Donahue | 267.7 | TOT |
| +014+ | 8.04 | Frank Kitson | 257.7 | DET |
| +016+ | 7.69 | Roy Patterson | 293 | CHA |
| +020+ | 7.26 | Jack Powell | 306.3 | BAL |
| +021+ | 6.95 | Tom Hughes | 244.7 | BOS |
| +030+ | 4.99 | Chief Bender | 270 | OAK |
| +038+ | 4.34 | Joe McGinnity | 433 | SFN |
| +043+ | 3.96 | Christy Mathewson | 367 | SFN |
| +053+ | 3.16 | Highball Wilson | 242.3 | MIN |
| +054+ | 3.06 | Watty Lee | 166.7 | MIN |
| +057+ | 2.67 | Rube Kisinger | 118.7 | DET |
| +060+ | 2.57 | Norwood Gibson | 183.3 | BOS |
| +061+ | 2.55 | George Winter | 178.3 | BOS |
| +064+ | 2.17 | Jesse Stovall | 47 | CLE |
| +067+ | 2.04 | Jake Weimer | 282.3 | CHN |
| +068+ | 2.03 | Ed Killian | 61.7 | CLE |
| +071+ | 1.88 | Martin Glendon | 27.7 | CLE |
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