The Hall of Fame case for Clay Matthews - Dawgs By Nature
Cleveland Browns look to find good vibe with trip to face Atlanta
Clay, Jake Matthews extend reign of NFL's first family third generation - ESPN
Clay Matthews known as Green Bay Packers' 'animal' on field - ESPN
Clay Matthews III - Wikipedia
Casey Matthews - Wikipedia
Browns to induct LB Clay Matthews into Ring of Honor
Toughness spans Matthews family's NFL legacy
Steroid Nation: Clay Matthews: 6-1 165 high school junior to 6-3 246 NFL draftee