| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 3.7 | 190304220_BOS_OAK |
| Deacon Phillippe | PIT | 3.65 | 190304210_SLN_PIT |
| Christy Mathewson | SFN | 3.65 | 190304210_SFN_LAN |
| Cy Young | BOS | 3.39 | 190304202_OAK_BOS |
| Vic Willis | ATL | 3.39 | 190304202_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -1.12 | 190304220_CIN_CHN |
| George Mullin | DET | -0.65 | 190304220_CLE_DET |
| Oscar Jones | LAN | -0.43 | 190304200_LAN_SFN |
| Togie Pittinger | ATL | -0.43 | 190304201_PHI_ATL |
| Jack McFetridge | PHI | -0.43 | 190304201_PHI_ATL |
Based on accumulated WAA for this season up to 1903-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 0.97 | John Malarkey | 17 | ATL |
| XXXXX | 0.88 | Addie Joss | 8 | CLE |
| XXXXX | 0.87 | Joe McGinnity | 20 | SFN |
| XXXXX | 0.81 | Bill Duggleby | 21.3 | PHI |
| XXXXX | 0.73 | Clarence Currie | 9 | SLN |
| XXXXX | 0.67 | George Mullin | 9 | DET |
| XXXXX | 0.67 | Al Orth | 9 | MIN |
| XXXXX | 0.67 | Rube Waddell | 17 | OAK |
| XXXXX | 0.52 | Mordecai Brown | 5 | SLN |
| XXXXX | 0.46 | Patsy Flaherty | 9 | CHA |
| XXXXX | 0.46 | Ed Doheny | 9 | PIT |
| XXXXX | 0.45 | Jock Menefee | 12 | CHN |
| XXXXX | 0.35 | Jack Taylor | 17 | CHN |
| XXXXX | 0.25 | Jack Chesbro | 9 | NYA |
| XXXXX | 0.22 | Togie Pittinger | 9 | ATL |
| XXXXX | 0.19 | George Winter | 6 | BOS |
| XXXXX | 0.07 | Bill Dinneen | 11 | BOS |
| XXXXX | 0.05 | Bucky Veil | 7 | PIT |
| XXXXX | 0.04 | Kaiser Wilhelm | 9 | PIT |
| XXXXX | 0 | Fred Burchell | 13 | PHI |
| XXXXX | -0.06 | Jack McFetridge | 8 | PHI |
| XXXXX | -0.09 | Pop Williams | 5 | CHN |
| XXXXX | -0.11 | War Sanders | 9 | SLN |
| XXXXX | -0.12 | Eddie Plank | 3 | OAK |
| XXXXX | -0.13 | Cy Young | 7 | BOS |
_