More than a decade ago, RotoViz changed how the NFL saw the intersection of age and production through metrics like the Phenom Index and breakout age. Back in 2015 Jon Moore introduced the Phenom Index, a revolutionary way to measure a college wide receiver’s age-adjusted production. He continued to refine it over the years to develop a metric that has identified some of the top … Continue reading Carnell Tate and a Worrying Trend in Prospect Ages: The 2026 Phenom Index for Rookie Wide Receivers