Every weight, every age curve, every format adjustment is documented here. Audited monthly.
NFL: RB curve sharpens after age 27, WR after 29, TE after 30, QB after 34. Superflex weights top-12 QBs 20-35% higher than 1QB.
NBA: Peak window 25-30. Category builds modify per-player value by 15-25%.
MLB: Pitcher decline cliffs at age 28-30, hitter peak 26-30. Prospect uncertainty discount scales with ETA.
Soccer: Peak 27-29. Forwards weight heaviest, then mids, then defenders, then keepers. Champions League aggregate provides 5-12% lift.
The four-analyst panel reviews every weight on the first Monday of each month. Change logs publish publicly. Material changes trigger an email to subscribers.