The 2021 Panini Elite Extra Edition - First Round Materials Marcelo Mayer #FRM-MM trading card is a highly sought-after collectible for baseball fans. Featuring a limited print run of 199, this card showcases the talented player from the Boston Red Sox with a unique Orange parallel variety. As part of the insert set for the 2021 season, this card is serial numbered, making it a valuable addition to any sports trading card collection. With its rookie designation and inclusion of memorabilia, this card is a must-have for fans of Major League Baseball and collectors alike.