"Rob Ryan is one of the most accomplished defensive ... opening on their defensive staff after former linebackers coach Matt Entz was hired as the head coach for the Fresno State Bulldogs.

Ryan started his coaching career at Tennessee State in 1989 and was the defensive coordinator at Oklahoma State from ...

He replaces Matt Entz, who left USC in the offseason to become the head coach at Fresno State. Ryan has been a defensive assistant with the Las Vegas Raiders for the last three seasons.