| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 5.11 | 190307140_CHA_OAK |
| Doc White | CHA | 4.69 | 190307140_CHA_OAK |
| Bill Dinneen | BOS | 3.65 | 190307140_CLE_BOS |
| Addie Joss | CLE | 2.18 | 190307151_CLE_BOS |
| Sam Leever | PIT | 1.88 | 190307160_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -3.18 | 190307150_PHI_SLN |
| Togie Pittinger | ATL | -2.96 | 190307150_ATL_CHN |
| Roy Evans | BAL | -2.39 | 190307160_BAL_MIN |
| Henry Schmidt | LAN | -1.98 | 190307160_LAN_SLN |
| Bob Wicker | CHN | -0.42 | 190307140_LAN_CHN |
Based on accumulated WAA for this season up to 1903-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.49 | Cy Young | 184.7 | BOS |
| +002+ | 7.88 | Rube Waddell | 218 | OAK |
| +003+ | 7.72 | Addie Joss | 173.7 | CLE |
| +004+ | 7.46 | Doc White | 169.3 | CHA |
| +005+ | 6.9 | Bill Donovan | 155.7 | DET |
| +006+ | 6.45 | Bill Dinneen | 164.7 | BOS |
| +007+ | 6.43 | George Mullin | 171 | DET |
| +008+ | 6.3 | Earl Moore | 141.7 | CLE |
| +009+ | 5.97 | Bill Bernhard | 154.3 | CLE |
| +010+ | 5.51 | Willie Sudhoff | 142.3 | BAL |
| +011+ | 5.37 | Eddie Plank | 162.7 | OAK |
| +013+ | 4.85 | Jack Chesbro | 177.3 | NYA |
| +015+ | 4.42 | Sam Leever | 149 | PIT |
| +017+ | 3.89 | Chief Bender | 153.3 | OAK |
| +018+ | 3.86 | Christy Mathewson | 194.3 | SFN |
| +019+ | 3.86 | Barney Wolfe | 95.3 | NYA |
| +021+ | 3.63 | Red Donahue | 131 | BAL |
| +023+ | 3.49 | Tom Hughes | 111.7 | BOS |
| +024+ | 3.45 | Roy Patterson | 117 | CHA |
| +027+ | 3.04 | Ed Siever | 106.3 | BAL |
| +033+ | 2.45 | Frank Kitson | 123.7 | DET |
| +035+ | 2.31 | Highball Wilson | 127.3 | MIN |
| +040+ | 2.05 | Noodles Hahn | 138.7 | CIN |
| +041+ | 2.03 | Jesse Tannehill | 150.3 | NYA |
| +045+ | 1.93 | Deacon Phillippe | 158.7 | PIT |
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