| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 5.6 | 190306010_OAK_MIN |
| Doc White | CHA | 3.64 | 190306020_CLE_CHA |
| Bill Dinneen | BOS | 3.06 | 190306020_BOS_NYA |
| 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 |
| Mike O'Neill | SLN | -1.89 | 190305310_SLN_CHN |
| Bob Ewing | CIN | -0.53 | 190306020_ATL_CIN |
| 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 1903-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.68 | Rube Waddell | 111 | OAK |
| +002+ | 4.41 | Cy Young | 96.7 | BOS |
| +003+ | 4.08 | Addie Joss | 87 | CLE |
| +004+ | 3.92 | Doc White | 77 | CHA |
| +005+ | 3.72 | Eddie Plank | 81 | OAK |
| +006+ | 3.61 | Roy Patterson | 69 | CHA |
| +007+ | 3.47 | Bill Dinneen | 84.7 | BOS |
| +008+ | 3.18 | Jack Chesbro | 95.7 | NYA |
| +009+ | 3.17 | Earl Moore | 62 | CLE |
| +010+ | 2.97 | George Mullin | 84 | DET |
| +011+ | 2.96 | Bill Donovan | 70.7 | DET |
| +012+ | 2.82 | Ed Siever | 66 | BAL |
| +013+ | 2.58 | Jack Sutthoff | 75 | CIN |
| +014+ | 2.54 | Willie Sudhoff | 63 | BAL |
| +016+ | 2.4 | Joe McGinnity | 107.7 | SFN |
| +018+ | 2.15 | Jack Taylor | 107.3 | CHN |
| +019+ | 1.93 | Bill Bernhard | 71 | CLE |
| +020+ | 1.93 | Sam Leever | 72 | PIT |
| +026+ | 1.73 | Red Donahue | 79 | BAL |
| +030+ | 1.59 | Christy Mathewson | 101 | SFN |
| +032+ | 1.54 | Chief Bender | 82.3 | OAK |
| +034+ | 1.42 | Jesse Tannehill | 71 | NYA |
| +041+ | 1.27 | Bill Reidy | 18 | BAL |
| XXXXX | 1.2 | Frank Kitson | 61 | DET |
| XXXXX | 1.17 | Tom Hughes | 54 | BOS |
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