| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.42 | 190307110_CHA_BOS |
| Rube Waddell | OAK | 5.8 | 190307110_CLE_OAK |
| Bill Donovan | DET | 4.11 | 190307130_DET_NYA |
| Deacon Phillippe | PIT | 1.09 | 190307110_ATL_PIT |
| Willie Sudhoff | BAL | 1.05 | 190307130_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | BAL | -2.52 | 190307110_BAL_NYA |
| Chick Fraser | PHI | -2.45 | 190307120_PHI_SLN |
| Togie Pittinger | ATL | -2.13 | 190307110_ATL_PIT |
| Henry Schmidt | LAN | -1.61 | 190307120_LAN_CHN |
| Ed Poole | CIN | -1.31 | 190307110_SFN_CIN |
Based on accumulated WAA for this season up to 1903-07-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.95 | Cy Young | 175.7 | BOS |
| +002+ | 7.32 | Addie Joss | 164.3 | CLE |
| +003+ | 7.07 | Doc White | 161.3 | CHA |
| +004+ | 7.06 | Rube Waddell | 209 | OAK |
| +005+ | 6.91 | Bill Donovan | 155.7 | DET |
| +006+ | 6.24 | George Mullin | 162 | DET |
| +007+ | 6.05 | Bill Dinneen | 152.7 | BOS |
| +008+ | 5.65 | Earl Moore | 129.7 | CLE |
| +009+ | 5.39 | Bill Bernhard | 145.3 | CLE |
| +010+ | 5.28 | Willie Sudhoff | 139.3 | BAL |
| +011+ | 4.98 | Jack Chesbro | 176.3 | NYA |
| +013+ | 4.75 | Eddie Plank | 153.7 | OAK |
| +014+ | 4.53 | Sam Leever | 140 | PIT |
| +016+ | 3.99 | Barney Wolfe | 87.3 | NYA |
| +019+ | 3.9 | Chief Bender | 144.3 | OAK |
| +020+ | 3.67 | Red Donahue | 131 | BAL |
| +022+ | 3.34 | Tom Hughes | 102.7 | BOS |
| +023+ | 3.33 | Christy Mathewson | 180.3 | SFN |
| +024+ | 2.97 | Jesse Tannehill | 144.3 | NYA |
| +028+ | 2.63 | Joe McGinnity | 222.3 | SFN |
| +031+ | 2.58 | Ed Siever | 96.3 | BAL |
| +035+ | 2.44 | Frank Kitson | 114.3 | DET |
| +040+ | 2.04 | Noodles Hahn | 138.7 | CIN |
| +041+ | 2.03 | Deacon Phillippe | 158.7 | PIT |
| +050+ | 1.76 | Highball Wilson | 116.3 | MIN |
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