| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 7.56 | 190306240_OAK_BAL |
| Cy Young | BOS | 5.49 | 190306230_BOS_DET |
| Bill Donovan | DET | 3.47 | 190306230_BOS_DET |
| Christy Mathewson | SFN | 3.35 | 190306222_CHN_SFN |
| Addie Joss | CLE | 1.38 | 190306242_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -3.86 | 190306222_SLN_LAN |
| Ed Poole | CIN | -1.89 | 190306222_CIN_PHI |
| Chick Fraser | PHI | -1.34 | 190306222_CIN_PHI |
| Bob Rhoads | SLN | -1.18 | 190306230_SLN_ATL |
| John Malarkey | ATL | -0.71 | 190306230_SLN_ATL |
Based on accumulated WAA for this season up to 1903-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.22 | Rube Waddell | 169.3 | OAK |
| +002+ | 6.41 | Addie Joss | 126.3 | CLE |
| +003+ | 6.06 | Cy Young | 138.7 | BOS |
| +004+ | 4.95 | Bill Donovan | 104.7 | DET |
| +005+ | 4.82 | George Mullin | 119 | DET |
| +006+ | 4.77 | Earl Moore | 99 | CLE |
| +007+ | 4.69 | Jack Chesbro | 131.7 | NYA |
| +008+ | 4.58 | Sam Leever | 108 | PIT |
| +009+ | 4.47 | Eddie Plank | 116 | OAK |
| +010+ | 4.44 | Bill Dinneen | 125.7 | BOS |
| +011+ | 4.35 | Doc White | 106 | CHA |
| +012+ | 3.89 | Willie Sudhoff | 95 | BAL |
| +013+ | 3.59 | Joe McGinnity | 165.7 | SFN |
| +014+ | 3.54 | Roy Patterson | 99.3 | CHA |
| +015+ | 3.15 | Chief Bender | 122.3 | OAK |
| +023+ | 2.6 | Jack Sutthoff | 102 | CIN |
| +024+ | 2.46 | Tom Hughes | 83.7 | BOS |
| +026+ | 2.33 | John Deering | 49.7 | DET |
| +027+ | 2.25 | Ed Siever | 68 | BAL |
| +031+ | 2.18 | Red Donahue | 113 | BAL |
| +032+ | 2.13 | Bill Bernhard | 107 | CLE |
| +034+ | 2.03 | Christy Mathewson | 143 | SFN |
| +039+ | 1.74 | Happy Townsend | 73.3 | MIN |
| +041+ | 1.69 | Barney Wolfe | 43 | NYA |
| +043+ | 1.65 | Jack Taylor | 152 | CHN |
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