Cory Undlin

Defensive Coordinator


Undlin joins the Lions after spending the last five seasons (2015-19) with the Philadelphia Eagles as the defensive backs coach, where he was a part of the team's Super Bowl LII championship run in 2017. Prior to Philadelphia, Undlin was a member of the Denver Broncos coaching staff for three seasons as the defensive backs coach (2013-14) and defensive quality control coach (2012).