| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.43 | 190309072_BOS_NYA |
| Bill Donovan | DET | 4.25 | 190309062_DET_BAL |
| Willie Sudhoff | BAL | 3.29 | 190309050_DET_BAL |
| Doc White | CHA | 3.22 | 190309060_CLE_CHA |
| Eddie Plank | OAK | 2.1 | 190309071_MIN_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -4.01 | 190309072_PHI_ATL |
| Henry Schmidt | LAN | -3.01 | 190309072_LAN_SFN |
| Chick Fraser | PHI | -2.74 | 190309050_PHI_ATL |
| Ed Poole | CIN | -1.59 | 190309071_SLN_CIN |
| Mordecai Brown | SLN | -1.07 | 190309051_SLN_CHN |
Based on accumulated WAA for this season up to 1903-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.26 | Cy Young | 305.7 | BOS |
| +003+ | 11.28 | Bill Donovan | 262 | DET |
| +004+ | 10.83 | George Mullin | 282.7 | DET |
| +006+ | 10.58 | Doc White | 265.7 | CHA |
| +007+ | 10.37 | Willie Sudhoff | 256.7 | BAL |
| +008+ | 10.06 | Rube Waddell | 324 | OAK |
| +009+ | 9.6 | Bill Dinneen | 256 | BOS |
| +010+ | 8.76 | Eddie Plank | 280.7 | OAK |
| +013+ | 6.98 | Frank Kitson | 225.7 | DET |
| +015+ | 6.78 | Tom Hughes | 204.7 | BOS |
| +017+ | 6.44 | Roy Patterson | 244.7 | CHA |
| +019+ | 6.07 | Red Donahue | 219 | TOT |
| +021+ | 5.95 | Jack Chesbro | 283.3 | NYA |
| +022+ | 5.9 | Ed Siever | 209 | BAL |
| +023+ | 5.55 | Chief Bender | 232.3 | OAK |
| +024+ | 5.36 | Jack Powell | 259.3 | BAL |
| +027+ | 4.71 | Clark Griffith | 195 | NYA |
| +028+ | 4.68 | Sam Leever | 258 | PIT |
| +039+ | 3.79 | Jesse Tannehill | 220.3 | NYA |
| +040+ | 3.74 | Joe McGinnity | 380.7 | SFN |
| +042+ | 3.56 | Barney Wolfe | 124.3 | NYA |
| +043+ | 3.49 | Christy Mathewson | 325 | SFN |
| +046+ | 3.36 | Highball Wilson | 223.3 | MIN |
| +047+ | 3.34 | Casey Patten | 254 | MIN |
| +053+ | 2.72 | Patsy Flaherty | 264.7 | CHA |
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