William Clay Matthews III (born May 14, 1986) is an American football outside linebacker for the Green Bay Packers of the National Football League (NFL). After attending Agoura High School in Agoura Hills, California, Matthews was a walk-on student athlete at the University of Southern California for the USC Trojans football team under head coach Pete Carroll. At USC, Matthews was a standout special teams player, winning three consecutive Special Teams Player of the Year awards from 2006 to 2008; he also played reserve outside linebacker. In these roles, he was part of three Pac-10 Championship teams.
