If you are not a subscriber of Huddle Up, join 74,000 other professional athletes, business executives & casual sports fans that receive it directly in their inbox each morning — it’s free. This Email Is Sponsored By… Sorare is one of the fastest-growing companies in sports. Backed by superstar athletes like Lionel Messi, Kylian Mbappé, Rudy Gobert, Aaron Judge, and Serena Williams, they have built blockchain technology that allows fans to collect officially licensed NFT-backed player cards.