While playing his senior season for Harrodsburg High School, he was named the National Player of the Year by Sports Illustrated and 1997 National High School Defensive Player of the Year by USA Today and The Sporting News.
Johnson attended the University of Kentucky, where he was a Third-team All-American and All-Southeastern Conference (SEC) First-team defender.
Johnson is currently the head football coach and district athletic director at Woodford County High School in Versailles, Kentucky.
The brothers rarely got into a game, but they created enough attention that the state changed the eligibility rules for low-enrollment schools.
He left Kentucky to enter the NFL draft with a year of collegiate eligibility remaining.