| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.97 | 190307290_NYA_BOS |
| Rube Waddell | OAK | 5.55 | 190307302_MIN_OAK |
| Bill Donovan | DET | 4.98 | 190307300_BAL_DET |
| Doc White | CHA | 2.83 | 190307300_CLE_CHA |
| Earl Moore | CLE | 2.09 | 190307280_CLE_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -3.86 | 190307280_SLN_CHN |
| Fred Mitchell | PHI | -3.67 | 190307280_PHI_LAN |
| Henry Schmidt | LAN | -1.59 | 190307290_PHI_LAN |
| Ed Poole | CIN | -1.59 | 190307300_CHN_CIN |
| Gene Wright | CLE | -0.98 | 190307300_CLE_CHA |
Based on accumulated WAA for this season up to 1903-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.95 | Bill Donovan | 191.7 | DET |
| +002+ | 9.09 | Rube Waddell | 259 | OAK |
| +003+ | 9.05 | Cy Young | 215.7 | BOS |
| +004+ | 8.27 | Earl Moore | 168.7 | CLE |
| +005+ | 7.92 | George Mullin | 197 | DET |
| +006+ | 7.85 | Willie Sudhoff | 177.3 | BAL |
| +007+ | 7.47 | Doc White | 190.3 | CHA |
| +008+ | 7.31 | Bill Dinneen | 173.7 | BOS |
| +009+ | 7.02 | Addie Joss | 198.7 | CLE |
| +010+ | 6.98 | Eddie Plank | 198.3 | OAK |
| +011+ | 6.94 | Bill Bernhard | 165.7 | CLE |
| +015+ | 4.66 | Chief Bender | 170.3 | OAK |
| +016+ | 4.44 | Tom Hughes | 128.7 | BOS |
| +019+ | 4.2 | Ed Siever | 140.3 | BAL |
| +021+ | 3.8 | Christy Mathewson | 219.3 | SFN |
| +022+ | 3.76 | Red Donahue | 131 | BAL |
| +023+ | 3.65 | Frank Kitson | 141.7 | DET |
| +025+ | 3.5 | Roy Patterson | 148 | CHA |
| +026+ | 3.34 | Sam Leever | 178 | PIT |
| +027+ | 3.3 | Jack Chesbro | 205.3 | NYA |
| +033+ | 2.84 | Clark Griffith | 141.7 | NYA |
| +034+ | 2.8 | Highball Wilson | 155.3 | MIN |
| +048+ | 2.16 | Casey Patten | 200.7 | MIN |
| +050+ | 2.09 | Watty Lee | 81.7 | MIN |
| +059+ | 1.64 | Jesse Tannehill | 156.3 | NYA |
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