The 2021 Panini Playbook Rookie Materials Najee Harris #RMA-NHA RC is a single-insert sports trading card featuring rookie player Najee Harris from the National Football League (NFL) with memorabilia attributes. Manufactured by Panini America, Inc., this card is a part of the Rookie Materials insert set, showcasing team-specific memorabilia of the Pittsburgh Steelers player. The card is an original release and is considered a valuable collectible for football fans and trading card enthusiasts looking to add a piece of the rookie's memorabilia to their collection.