The 2021 Panini Playbook - Rookie Materials Kenneth Gainwell #RMA-KGA is a football trading card featuring memorabilia from the Philadelphia Eagles rookie player, Kenneth Gainwell. This insert card is part of the 2021 Panini Playbook set and is marked as a base variety. As a sports trading card, it appeals to fans and collectors of the National Football League looking to add unique and valuable cards to their collection. This card is a must-have for fans of the Eagles or Kenneth Gainwell.