Packers: A look back at the extraordinary career of Clay Matthews III
Clay Matthews III - Wikipedia
File:Clay Matthews - San Francisco vs Green Bay 2012 (3).jpg
Herb Adderley, Packers Wiki
Championship Belt, Packers Wiki
Nick Perry (linebacker) - Wikipedia
David Buehler - Wikipedia
Jake Matthews: Born For The Octagon
Clay Matthews III - Wikipedia
File:Clay Matthews - San Francisco vs Green Bay 2012 (4).jpg
File:A.J. Hawk, Clay Matthews (16274309259).jpg - Wikimedia Commons