File:Clay Matthews III 1.jpg - Wikimedia Commons
NFL: Linebacker Clay Matthews signs new long-term contract with Green Bay Packers, NFL News
Clay Matthews says he had hoped to finish his career with the Green Bay Packers - ESPN
Green Bay Packers reward Aaron Rodgers with expected extension
Locked Up: Aaron Rodgers, 2011 NFL MVP, gets extension from Packers
Morgan Burnett, Packers agree to extension
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Inbox: The potential benefits there would be tremendous
Clay Matthews done with football, wished to have finished with Packers
What if Clay Matthews Jr. was a baseball player? - NBC Sports