| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 3.78 | 190304240_BOS_OAK |
| Rube Waddell | OAK | 3.7 | 190304220_BOS_OAK |
| Ed Siever | BAL | 3.64 | 190304230_CHA_BAL |
| Dummy Taylor | SFN | 3.41 | 190304240_ATL_SFN |
| Jack Taylor | CHN | 2.36 | 190304220_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -1.12 | 190304220_CIN_CHN |
| Fred Mitchell | PHI | -0.69 | 190304240_PHI_LAN |
| Jake Weimer | CHN | -0.67 | 190304230_CIN_CHN |
| George Mullin | DET | -0.65 | 190304220_CLE_DET |
| Oscar Jones | LAN | -0.48 | 190304230_PHI_LAN |
Based on accumulated WAA for this season up to 1903-04-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 1 | Togie Pittinger | 18 | ATL |
| XXXXX | 0.91 | John Malarkey | 17 | ATL |
| XXXXX | 0.89 | Joe McGinnity | 20 | SFN |
| XXXXX | 0.82 | Addie Joss | 8 | CLE |
| XXXXX | 0.71 | Bill Duggleby | 21.3 | PHI |
| XXXXX | 0.69 | Cy Young | 16 | BOS |
| XXXXX | 0.61 | Bill Donovan | 9 | DET |
| XXXXX | 0.61 | George Mullin | 9 | DET |
| XXXXX | 0.61 | Casey Patten | 9 | MIN |
| XXXXX | 0.61 | Al Orth | 9 | MIN |
| XXXXX | 0.54 | Rube Waddell | 17 | OAK |
| XXXXX | 0.48 | Mordecai Brown | 5 | SLN |
| XXXXX | 0.45 | Ed Siever | 10 | BAL |
| XXXXX | 0.44 | Harry Howell | 9 | NYA |
| XXXXX | 0.42 | Weldon Henley | 9 | OAK |
| XXXXX | 0.36 | Patsy Flaherty | 9 | CHA |
| XXXXX | 0.35 | Jock Menefee | 12 | CHN |
| XXXXX | 0.28 | Eddie Plank | 12 | OAK |
| XXXXX | 0.26 | Roscoe Miller | 9 | SFN |
| XXXXX | 0.23 | Jack Chesbro | 9 | NYA |
| XXXXX | 0.21 | Jack Taylor | 17 | CHN |
| XXXXX | 0.19 | Fred Mitchell | 18 | PHI |
| XXXXX | 0.08 | Oscar Jones | 20 | LAN |
| XXXXX | 0.08 | Jesse Tannehill | 3 | NYA |
| XXXXX | 0 | Bill Dinneen | 11 | BOS |
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