| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 3.33 | 190605240_SFN_CHN |
| Carl Lundgren | CHN | 3.32 | 190605240_SFN_CHN |
| Doc White | CHA | 2.47 | 190605250_CHA_BOS |
| Eddie Plank | OAK | 2.2 | 190605230_CLE_OAK |
| Cy Young | BOS | 1.82 | 190605240_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Dinneen | BOS | -2.59 | 190605230_DET_BOS |
| Chick Fraser | CIN | -2.54 | 190605230_LAN_CIN |
| Jimmy Dygert | OAK | -1.31 | 190605250_BAL_OAK |
| Doc Newton | NYA | -1.05 | 190605230_CHA_NYA |
| Big Jeff Pfeffer | ATL | -1.02 | 190605240_ATL_PIT |
Based on accumulated WAA for this season up to 1906-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.16 | Rube Waddell | 76.3 | OAK |
| +002+ | 3.7 | Carl Lundgren | 90 | CHN |
| +004+ | 3.15 | Bill Duggleby | 73.3 | PHI |
| +005+ | 3.02 | Tully Sparks | 63 | PHI |
| +006+ | 2.8 | Jack Taylor | 77 | SLN |
| +007+ | 2.65 | Jake Weimer | 88.3 | CIN |
| +008+ | 2.42 | Vic Willis | 92 | PIT |
| +009+ | 2.13 | Jack Pfiester | 64 | CHN |
| +010+ | 2.12 | Buster Brown | 69.3 | SLN |
| +011+ | 2.11 | Joe McGinnity | 88.3 | SFN |
| +012+ | 2.07 | Vive Lindaman | 71.3 | ATL |
| +014+ | 1.95 | Sam Leever | 37 | PIT |
| +015+ | 1.95 | Harry Eells | 34.7 | CLE |
| +018+ | 1.69 | Nick Altrock | 72.7 | CHA |
| +020+ | 1.66 | Mordecai Brown | 52 | CHN |
| +019+ | 1.66 | Addie Joss | 63 | CLE |
| +021+ | 1.62 | Bill Donovan | 61 | DET |
| +023+ | 1.51 | Ed Smith | 51.7 | BAL |
| XXXXX | 1.11 | Lefty Leifield | 37 | PIT |
| XXXXX | 0.97 | Johnny Lush | 88 | PHI |
| XXXXX | 0.95 | Bill Bernhard | 62 | CLE |
| XXXXX | 0.77 | Irv Young | 101.3 | ATL |
| XXXXX | 0.76 | Hooks Wiltse | 54.3 | SFN |
| XXXXX | 0.76 | Elmer Stricklett | 64 | LAN |
| XXXXX | 0.75 | Togie Pittinger | 45.7 | PHI |
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