| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.45 | 190306030_BOS_NYA |
| Rube Waddell | OAK | 5.6 | 190306010_OAK_MIN |
| Doc White | CHA | 3.64 | 190306020_CLE_CHA |
| Christy Mathewson | SFN | 2.81 | 190306010_SFN_PIT |
| Jack Taylor | CHN | 2.35 | 190306020_LAN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -2.72 | 190306020_LAN_CHN |
| Jack Harper | CIN | -1.12 | 190306030_ATL_CIN |
| Bob Rhoads | SLN | -0.83 | 190306030_PHI_SLN |
| Al Orth | MIN | -0.37 | 190306020_OAK_MIN |
| Togie Pittinger | ATL | -0.34 | 190306020_ATL_CIN |
Based on accumulated WAA for this season up to 1903-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.68 | Rube Waddell | 111 | OAK |
| +002+ | 4.63 | Cy Young | 105.7 | BOS |
| +003+ | 4.15 | Eddie Plank | 90 | OAK |
| +004+ | 4.09 | Addie Joss | 87 | CLE |
| +005+ | 3.92 | Doc White | 77 | CHA |
| +006+ | 3.61 | Roy Patterson | 69 | CHA |
| +007+ | 3.47 | Bill Dinneen | 84.7 | BOS |
| +008+ | 3.18 | Earl Moore | 62 | CLE |
| +009+ | 3.17 | Jack Chesbro | 95.7 | NYA |
| +010+ | 2.97 | George Mullin | 84 | DET |
| +011+ | 2.96 | Bill Donovan | 70.7 | DET |
| +012+ | 2.82 | Ed Siever | 66 | BAL |
| +013+ | 2.78 | Sam Leever | 81 | PIT |
| +014+ | 2.58 | Jack Sutthoff | 75 | CIN |
| +015+ | 2.54 | Willie Sudhoff | 63 | BAL |
| +018+ | 2.15 | Jack Taylor | 107.3 | CHN |
| +019+ | 2.12 | Joe McGinnity | 115.7 | SFN |
| +022+ | 1.93 | Bill Bernhard | 71 | CLE |
| +027+ | 1.73 | Red Donahue | 79 | BAL |
| +030+ | 1.63 | Christy Mathewson | 101 | SFN |
| +034+ | 1.53 | Chief Bender | 82.3 | OAK |
| +036+ | 1.44 | Vic Willis | 97.7 | ATL |
| +039+ | 1.41 | Jesse Tannehill | 71 | NYA |
| +044+ | 1.33 | Bob Wicker | 80.7 | TOT |
| +045+ | 1.27 | Bill Reidy | 18 | BAL |
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