Rob Ryan will be USC's assistant head coach for defense and linebackers coach.
The Trojans needed to replace Matt Entz, who became Fresno State's head coach last month.
usc.rivals.com
The Trojans needed to replace Matt Entz, who became Fresno State's head coach last month.
USC completes coaching staff with high-profile hire of NFL vet Rob Ryan
Lincoln Riley landed a big name to fill out his USC coaching staff.
