NFL players struggling to adapt to more stringent roughing the passer calls - Global Sport Matters
Former Green Bay Packer Clay Matthews lobbies for job reviewing calls: 'I'd like to be employed by the NFL'
Highlight] Clay Matthews Roughing the Passer call : r/nfl
Ian Rapoport: NFL defends roughing the passer call called on Green Bay Packers linebacker Clay Matthews
Focus on roughing the passer giving NFL a black eye
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Video: Another Horrific Penalty Call On Packers LB Clay Matthews - The Spun: What's Trending In The Sports World Today
Controversial Clay Matthews Penalty Featured on Sports Illustrated Cover
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Another week, another questionable roughing the passer call on Clay Matthews - NBC Sports
Packers Coach Mike McCarthy Freaks Out at Referees After Clay Matthews Called for yet Another Questionable Penalty