Rob Gronkowski on selling NFTs of his best Super Bowl moments

Rob "Gronks" Gronkowski, Tampa Bay Buccaneers tight end, is the first NFL player to get involved in the NFT craze with the launch of a new line of exclusive digital trading cards that feature his best Super Bowl moments. Gronkowski joined "Squawk on the Street" with Adam Richman, co-founder of Medium Rare, to discuss his decision to join the phenomenon.