Amazon.com: Clay Matthews Jersey #57 Cleveland Custom Stitched White Football Various Sizes New No Brand/Logos GENERIC Size S : Everything Else
Amazon.com: Clay Matthews 2009 Score Rookie Card #324 Packers PGI 10 : Collectibles & Fine Art
Amazon.com: 2017 Score Sack Attack #5 Clay Matthews Green Bay Packers Football NM-MT : Collectibles & Fine Art
Amazon.com: 2019 Panini NFL Five #U106-19 Clay Matthews Football Card : Collectibles & Fine Art
Amazon.com: Clay Matthews Football Card (Cleveland Browns) 1991 Pro Set #122 : Collectibles & Fine Art
Amazon.com: Green Bay Packers 2015 Topps NFL Football Complete Regular Issue 25 Card Team Set Including 5 Aaron Rodgers Cards, Clay Matthews, Eddie Lacy Plus : Collectibles & Fine Art
Sporting News Magazine, December 6, 2010 (Flex Defense: Packers LB Clay Matthews Is Turning Nonstop Energy into Over-the-Top Production): Coach Mike Leach, Ex-UNC DE Robert Quinn's Comeback: Will Leitch, Steve Greenberg, Matt
Amazon.com: 2011 Topps #392 Clay Matthews NM-MT Packers : Collectibles & Fine Art
Amazon.com: 2019 Panini Absolute Football #89 Clay Matthews LA Rams : Collectibles & Fine Art
Amazon.com: Football NFL 1991 Fleer Ultra #31 Clay Matthews #31 NM Browns : Collectibles & Fine Art