Clay Matthews starts altercation with late hit on Colin Kaepernick; official admits botching key call - Sports Illustrated
NFL: Clay Matthews hurt by Packers' decision but moves on with Rams
Clay Matthews Fined $18,231 for Hit on Brian Hoyer: Details and Reaction, News, Scores, Highlights, Stats, and Rumors
Comp. committee clarifies techniques on sack fouls
Whicker: Jackie Slater remembers practice wars with Kevin Greene on Rams' battlefield – Orange County Register
What happened during the 2009 draft: The gift of Clay Matthews
NFL won't alter way roughing passer penalties called in 2018 season
49ers 27, Chiefs 38: Grades
THE EVOLUTION WILL BE TELEVISED - Sports Illustrated Vault
Clay Matthews' High-Flying, Late Hit on Colin Kaepernick Leads to Brawl Between Packers, 49ers (GIFs)
NFL clarifies roughing the passer rule to 'ensure consistency' - Sports Illustrated
Raiders grapple with added focus on roughing-the-passer rule
Clay Matthews Wants NFL to Hire Him for Roughing the Passer Reviews - Sports Illustrated
Clay Matthews flagged for 'burping' the QB, Kirk Cousins admits it was 'probably a generous call'
Inbox: Expect to see more of it