Is Clay Matthews playing football?
Clay Matthews taken to ER after freak softball injury (Video)
Clay Matthews highlights (2014 season)
Clay Matthews Says He Gives Aaron Rodgers Advice on Retiring
Clay Matthews III - Wikipedia
Clay Matthews can't reach deal with Denver Broncos but not retired
Clay Matthews Says He Gives Aaron Rodgers Advice on Retiring
Green Bay Packers Legend Clay Matthews Has Officially Retired At
Clay Matthews says he had hoped to finish his career with the
Former Packers LB Clay Matthews plans to retires after 10 years
Clay Matthews highlights (2014 season)
Clay Matthews Says He Gives Aaron Rodgers Advice on Retiring