Served as head coach of the Minnesota Vikings from 2011 to 2013. He was named defensive coordinator of the Tampa Bay Buccaneers in 2014.
He played cornerback for the Chicago Bears in the 1980s, winning Super Bowl XX with the team.
Specializing in defensive backs coaching, he spent time with the Eagles and Colts, before moving to Minnesota for the same role.
He was born in Columbus, Mississippi.
Brought in by Tony Dungy to train the Indianpolis Colts corps of young DBs, he helped the team win Super Bowl XLI in 2007.