| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Sudhoff | BAL | 3.7 | 190309282_BAL_BOS |
| Eddie Plank | OAK | 3.69 | 190309280_CLE_OAK |
| Bill Dinneen | BOS | 3.32 | 190309282_BAL_BOS |
| Frank Kitson | DET | 2.04 | 190309280_DET_NYA |
| Roy Patterson | CHA | 1.82 | 190309281_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | PHI | -3.19 | 190309271_PHI_SLN |
| Mordecai Brown | SLN | -0.46 | 190309272_PHI_SLN |
| Pat Carney | ATL | -0.15 | 190309270_ATL_CHN |
| Bob Wicker | CHN | -0.09 | 190309270_ATL_CHN |
| Bill Reidy | LAN | -0.06 | 190309271_LAN_CIN |
Based on accumulated WAA for this season up to 1903-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.66 | Cy Young | 341.7 | BOS |
| +002+ | 12.58 | George Mullin | 320.7 | DET |
| +004+ | 11.9 | Doc White | 300 | CHA |
| +005+ | 11.75 | Bill Donovan | 307 | DET |
| +006+ | 11.65 | Eddie Plank | 337 | OAK |
| +007+ | 11.44 | Bill Dinneen | 300 | BOS |
| +008+ | 11.37 | Willie Sudhoff | 293.7 | BAL |
| +011+ | 8.57 | Ed Siever | 254 | BAL |
| +012+ | 8.23 | Red Donahue | 267.7 | TOT |
| +014+ | 8.07 | Frank Kitson | 257.7 | DET |
| +017+ | 7.71 | Roy Patterson | 293 | CHA |
| +020+ | 7.28 | Jack Powell | 306.3 | BAL |
| +021+ | 6.96 | Tom Hughes | 244.7 | BOS |
| +032+ | 4.98 | Chief Bender | 270 | OAK |
| +038+ | 4.36 | Joe McGinnity | 433 | SFN |
| +043+ | 3.97 | Christy Mathewson | 367 | SFN |
| +052+ | 3.17 | Highball Wilson | 242.3 | MIN |
| +054+ | 3.06 | Watty Lee | 166.7 | MIN |
| +058+ | 2.68 | Rube Kisinger | 118.7 | DET |
| +060+ | 2.58 | Norwood Gibson | 183.3 | BOS |
| +061+ | 2.56 | George Winter | 178.3 | BOS |
| +063+ | 2.44 | Jesse Stovall | 57 | CLE |
| +067+ | 2.05 | Jake Weimer | 282.3 | CHN |
| +068+ | 2.02 | Ed Killian | 61.7 | CLE |
| +070+ | 1.88 | Martin Glendon | 27.7 | CLE |
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