| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doc White | CHA | 3.75 | 190308090_BAL_CHA |
| Bill Dinneen | BOS | 3.27 | 190308080_OAK_BOS |
| Eddie Plank | OAK | 2.57 | 190308070_BOS_OAK |
| Willie Sudhoff | BAL | 2.51 | 190308070_BAL_CHA |
| Addie Joss | CLE | 2.15 | 190308070_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -4.47 | 190308082_CIN_SLN |
| Fred Mitchell | PHI | -4.45 | 190308072_PHI_SFN |
| Togie Pittinger | ATL | -3.82 | 190308071_LAN_ATL |
| Henry Schmidt | LAN | -2.9 | 190308082_LAN_SFN |
| Jack Harper | CIN | -1.41 | 190308082_CIN_SLN |
Based on accumulated WAA for this season up to 1903-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.61 | Rube Waddell | 276 | OAK |
| +002+ | 9.44 | Doc White | 217.3 | CHA |
| +003+ | 9.41 | Bill Donovan | 209 | DET |
| +004+ | 9.35 | Cy Young | 230.7 | BOS |
| +005+ | 9.12 | Earl Moore | 185.7 | CLE |
| +006+ | 9.1 | Willie Sudhoff | 195.3 | BAL |
| +007+ | 8.24 | Addie Joss | 229.7 | CLE |
| +008+ | 7.71 | George Mullin | 218 | DET |
| +009+ | 7.47 | Bill Dinneen | 202.7 | BOS |
| +010+ | 7.18 | Eddie Plank | 211.3 | OAK |
| +014+ | 5.38 | Tom Hughes | 146.7 | BOS |
| +015+ | 5.36 | Chief Bender | 186.3 | OAK |
| +016+ | 5.04 | Frank Kitson | 165.7 | DET |
| +019+ | 4.85 | Ed Siever | 165 | BAL |
| +020+ | 4.44 | Roy Patterson | 170 | CHA |
| +023+ | 4.11 | Jack Chesbro | 223.3 | NYA |
| +024+ | 3.95 | Red Donahue | 151 | TOT |
| +025+ | 3.93 | Christy Mathewson | 247.3 | SFN |
| +026+ | 3.91 | Clark Griffith | 159.7 | NYA |
| +035+ | 3.07 | Highball Wilson | 171.3 | MIN |
| +042+ | 2.8 | Joe McGinnity | 291.7 | SFN |
| +046+ | 2.59 | Sam Leever | 189.7 | PIT |
| +047+ | 2.52 | Casey Patten | 228 | MIN |
| +052+ | 2.14 | Jesse Tannehill | 163.3 | NYA |
| +055+ | 1.91 | Watty Lee | 81.7 | MIN |
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