Toughness spans Matthews family's NFL legacy
Casey Matthews,linebacker with the Philadelphia Eages. Son of Clay Matthews Jr and brother to Packer Clay MAtthews II…
Cleveland Browns' 100 best all-time players: No. 16, Clay Matthews (video)
Clay Matthews' heartwarming homecoming he never saw coming
For Matthews Clan, N.F.L. Is All in the Family - The New York Times
Clay Matthews III - Wikipedia
Legendary NFL Families: Players Whose Kids Also Play
Why Clay Matthews Jr. Deserves to be Among the Best of the Best at the Pro Football Hall of Fame
Toughness spans Matthews family's NFL legacy