The Michael Mayer 2023 Donruss Football Rookie Sweaters #HS-MMA NrMt trading card is a standard-sized sports card featuring the National Football League (NFL) player Michael Mayer. This original card from Panini is made of card stock and is part of the 2023 Donruss set. As a rookie card, it is a valuable addition for collectors and fans of football trading cards, showcasing Mayer in his early career in the sport.