| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.6 | 190305160_BOS_DET |
| Bill Donovan | DET | 4.44 | 190305180_BOS_DET |
| Doc White | CHA | 4.35 | 190305180_MIN_CHA |
| Eddie Plank | OAK | 3.34 | 190305170_OAK_BAL |
| Christy Mathewson | SFN | 1.96 | 190305160_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -1.3 | 190305160_SLN_PHI |
| Jack Harper | CIN | -1.11 | 190305180_CIN_LAN |
| Chick Fraser | PHI | -0.98 | 190305180_SLN_PHI |
| Watty Lee | MIN | -0.47 | 190305180_MIN_CHA |
| Alex Jones | DET | -0.38 | 190305160_BOS_DET |
Based on accumulated WAA for this season up to 1903-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.41 | Addie Joss | 52 | CLE |
| +002+ | 3.31 | Eddie Plank | 62 | OAK |
| +003+ | 3.14 | Bill Donovan | 53.7 | DET |
| +004+ | 3.08 | Rube Waddell | 66 | OAK |
| +005+ | 2.87 | Cy Young | 69.3 | BOS |
| +006+ | 2.66 | George Mullin | 53 | DET |
| +007+ | 2.61 | Roy Patterson | 53 | CHA |
| +008+ | 2.46 | Jack Chesbro | 62 | NYA |
| +010+ | 2.12 | Jack Sutthoff | 50 | CIN |
| +011+ | 2.11 | Doc White | 50 | CHA |
| +013+ | 2.05 | Patsy Flaherty | 49.3 | CHA |
| +014+ | 1.96 | Earl Moore | 44 | CLE |
| +015+ | 1.89 | Sam Leever | 47 | PIT |
| +016+ | 1.79 | Chief Bender | 57.3 | OAK |
| +017+ | 1.76 | Ed Siever | 45 | BAL |
| +020+ | 1.61 | Henry Schmidt | 70 | LAN |
| +022+ | 1.51 | Noodles Hahn | 44 | CIN |
| +023+ | 1.5 | Joe McGinnity | 75.7 | SFN |
| XXXXX | 1.17 | Bob Wicker | 53.3 | TOT |
| XXXXX | 0.99 | Red Donahue | 52 | BAL |
| XXXXX | 0.97 | Willie Sudhoff | 35 | BAL |
| XXXXX | 0.97 | Bill Dinneen | 48.7 | BOS |
| XXXXX | 0.96 | Jack Powell | 37 | BAL |
| XXXXX | 0.85 | Jack Taylor | 71 | CHN |
| XXXXX | 0.82 | Barney Wolfe | 22 | NYA |
_