The 2021 Panini Mosaic NFL Debut Micah Parsons #257 Reactive Blue RC ROOKIE PSA 10 is a highly sought-after sports trading card featuring the rookie player from the Dallas Cowboys. This card is part of the Mosaic set released by Panini for the 2021 NFL season. With its unique Reactive Blue Mosaic Prizm parallel variety, this card stands out as a valuable addition to any sports card collection. Parrsons' rookie status and high grade make it a desirable piece for football card enthusiasts and collectors alike.