Happy birthday, Clay Matthews!

Scroll through this picture gallery to see images of Clay Matthews as a Green Bay Packer, and click here to download our FREE Gameday Extra app for comprehensive Packers coverage!

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews Milwaukee Journal Sentinel

  • Clay Matthews suffers broken thumb. http://on.tmj4.com/GGuL7X Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Wayne Larrivee, the "Voice of the Green Bay Packers," interviewing Clay Matthews during the team's "Return to Titletown" after winning Super Bowl XLV. Milwaukee Journal Sentinel

  • Clay Matthews, LeSean McCoy. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. Green Bay Packers/TODAY'S TMJ4

  • Clay Matthews in a recent Visa commercial. YouTube | Photo: YouTube

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews, Johnny Jolly. Milwaukee Journal Sentinel

  • Sep 8, 2013; San Francisco, CA, USA; Green Bay Packers linebacker Clay Matthews (52) looks for a flag after being hit in the back against the San Francisco 49ers in the fourth quarter at Candlestick Park. The 49ers defeated the Packers 34-28. Cary Edmondson-USA TODAY Sports

  • Sep 15, 2013; Green Bay, WI, USA; Green Bay Packers linebacker Clay Matthews (52) warms up prior to the game against the Washington Redskins at Lambeau Field. Benny Sieu-USA TODAY Sports

  • Nov 24, 2013; Green Bay, WI, USA; Green Bay Packers linebacker Clay Matthews (52) warms up before game against the Minnesota Vikings at Lambeau Field. Benny Sieu-USA TODAY Sports

  • Nov 24, 2013; Green Bay, WI, USA; Green Bay Packers linebacker Clay Matthews (52) reacts after sacking Minnesota Vikings quarterback Christian Ponder (not pictured) in the 1st quarter at Lambeau Field. Benny Sieu-USA TODAY Sports

  • Dec 15, 2013; Arlington, TX, USA; Green Bay Packers outside linebacker Clay Matthews (52) on the field before the game against the Dallas Cowboys at AT&T Stadium. Tim Heitman-USA TODAY Sports

  • Aaron Rodgers and teammate Clay Matthews - at least part of his head - at the Kentucky Derby. Imgur.com

  • Clay Matthews during a Packers-Cardinals matchup in 2012. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. | Photo: Milwaukee Journal Sentinel

  • Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews attempts to sack Brett Favre. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Clay Matthews. Milwaukee Journal Sentinel

  • Photo: Milwaukee Journal Sentinel