| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 6.3 | 190306120_CLE_OAK |
| Cy Young | BOS | 5.59 | 190306130_BAL_BOS |
| Doc White | CHA | 3.58 | 190306130_CHA_MIN |
| Christy Mathewson | SFN | 2.81 | 190306130_SFN_CIN |
| Jack Taylor | CHN | 2.08 | 190306130_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -2.85 | 190306110_LAN_PIT |
| Chick Fraser | PHI | -1.72 | 190306120_PHI_CHN |
| Bob Rhoads | SLN | -0.76 | 190306110_ATL_SLN |
| Togie Pittinger | ATL | -0.71 | 190306130_ATL_SLN |
| Al Orth | MIN | -0.52 | 190306130_CHA_MIN |
Based on accumulated WAA for this season up to 1903-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.56 | Rube Waddell | 144 | OAK |
| +002+ | 5.53 | Cy Young | 129.7 | BOS |
| +003+ | 5.51 | Addie Joss | 109.3 | CLE |
| +004+ | 4.7 | Jack Chesbro | 122.7 | NYA |
| +005+ | 4.58 | Bill Donovan | 87.7 | DET |
| +006+ | 4.51 | Eddie Plank | 99 | OAK |
| +007+ | 3.95 | Bill Dinneen | 99.7 | BOS |
| +008+ | 3.84 | George Mullin | 102 | DET |
| +009+ | 3.84 | Earl Moore | 80 | CLE |
| +010+ | 3.54 | Sam Leever | 90 | PIT |
| +011+ | 3.47 | Willie Sudhoff | 80 | BAL |
| +012+ | 3.37 | Doc White | 89 | CHA |
| +013+ | 3.29 | Joe McGinnity | 144.7 | SFN |
| +014+ | 3.24 | Jack Sutthoff | 84 | CIN |
| +015+ | 3 | Christy Mathewson | 125 | SFN |
| +016+ | 2.79 | Ed Siever | 66 | BAL |
| +019+ | 2.63 | Chief Bender | 101.3 | OAK |
| +020+ | 2.59 | Jack Taylor | 134.3 | CHN |
| +025+ | 2.24 | Roy Patterson | 81.3 | CHA |
| +029+ | 2.02 | Red Donahue | 87 | BAL |
| +030+ | 2 | Tom Hughes | 65.7 | BOS |
| +033+ | 1.94 | Bill Bernhard | 89 | CLE |
| +038+ | 1.78 | John Deering | 40.7 | DET |
| +041+ | 1.49 | Frank Kitson | 77.3 | DET |
| +045+ | 1.38 | Tully Sparks | 72 | PHI |
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