Clay Matthews Sr. has passed away. He was the patriarch of the NFL's greatest bloodline. : r/GreenBayPackers
Browns: Clay Matthews has done more than enough to be a Hall of Famer
Browns induct former LB Clay Matthews into Ring of Honor
Late bloomer is a real terror – Press Enterprise
Clay Matthews' absence greatest reason for concern
Clay Matthews Top 10 Plays of Career
Best of Clay Matthews III
Clay Matthews through the years
Chicago Bears: Should team pursue Clay Matthews?
Toughness spans Matthews family's NFL legacy
Bruce Matthews was an Oiler anchor