| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 3.33 | 190605240_SFN_CHN |
| Carl Lundgren | CHN | 3.32 | 190605240_SFN_CHN |
| Eddie Plank | OAK | 2.2 | 190605230_CLE_OAK |
| Cy Young | BOS | 1.82 | 190605240_CHA_BOS |
| Bill Donovan | DET | 1.45 | 190605240_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Dinneen | BOS | -2.59 | 190605230_DET_BOS |
| Chick Fraser | CIN | -2.54 | 190605230_LAN_CIN |
| Harry McIntire | LAN | -2.52 | 190605220_LAN_CIN |
| 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 1906-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.2 | Rube Waddell | 76.3 | OAK |
| +002+ | 3.75 | Carl Lundgren | 90 | CHN |
| +004+ | 3.22 | Bill Duggleby | 73.3 | PHI |
| +005+ | 2.83 | Jack Taylor | 77 | SLN |
| +006+ | 2.44 | Jake Weimer | 78.3 | CIN |
| +007+ | 2.33 | Tully Sparks | 53 | PHI |
| +008+ | 2.15 | Buster Brown | 69.3 | SLN |
| +009+ | 2.13 | Joe McGinnity | 88.3 | SFN |
| +010+ | 2.1 | Vive Lindaman | 71.3 | ATL |
| +012+ | 1.97 | Sam Leever | 37 | PIT |
| +013+ | 1.7 | Nick Altrock | 72.7 | CHA |
| +016+ | 1.68 | Addie Joss | 63 | CLE |
| +015+ | 1.68 | Mordecai Brown | 52 | CHN |
| +019+ | 1.63 | Vic Willis | 83 | PIT |
| +018+ | 1.63 | Bill Donovan | 61 | DET |
| +020+ | 1.54 | Jack Pfiester | 55 | CHN |
| +021+ | 1.52 | Ed Smith | 51.7 | BAL |
| XXXXX | 1.18 | Harry Eells | 25.7 | CLE |
| XXXXX | 1.13 | Lefty Leifield | 37 | PIT |
| XXXXX | 1.05 | Johnny Lush | 88 | PHI |
| XXXXX | 0.97 | Bill Bernhard | 62 | CLE |
| XXXXX | 0.9 | Red Donahue | 44 | DET |
| XXXXX | 0.83 | Dummy Taylor | 48.3 | SFN |
| XXXXX | 0.79 | Elmer Stricklett | 64 | LAN |
| XXXXX | 0.79 | Togie Pittinger | 45.7 | PHI |
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