Former Packers, Rams OLB Clay Matthews announces 'playing days are over'
Clay Matthews ready to prove himself all over again with Rams - Los Angeles Times
Packers icon Clay Matthews gets real on huge regret amid retirement news
Focus on roughing the passer giving NFL a black eye
Watch: Clay Matthews Talks Retirement, Favorite Plays and More - Sports Illustrated Green Bay Packers News, Analysis and More
NFL on ESPN - Clay Matthews is retiring from the NFL, he told Packers Wire on Tuesday.
Throwback Thursday: Clay Matthews Dominates NFL
Clay Matthews III - Wikipedia
Green Bay Packers vs New England Patriots Thursday injury report - On3
Clay Matthews Stats, News and Video - OLB
Clay Matthews III - Wikipedia
Clay Matthews: Breaking News, Rumors & Highlights
Memories from Club 46: Clay Matthews fondly recalls brotherhood of locker room, great moments spent with Browns
Roughing the Passer? NFL Refs Screwed Clay Matthews Over Big Time - FanBuzz