Packers: For Clay Matthews, uncertain future is 'not something you dwell on'
Green Bay Packers: Private side of Clay Matthews isn't flamboyant
Former Packers linebacker Clay Matthews says his playing days are over
Clay Matthews, Packers Wiki
Clay Matthews Officially Retires, Stating; My playing days are over
NFL: Is Clay Matthews bound for the Pro Football Hall of Fame? Delving into the Packers icon's odds
Report: Clay Matthews expected to miss one month with broken thumb
Clay Matthews named NFC defensive player of the week - NBC Sports
KoF Insiders: Call Of Duty Intern Clay Matthews Talks Nike Kobe 9 Elite •
Green Bay Packers: Profiling No. 52 Clay Matthews