The 2026 Topps Series 1 trading card featuring Marcelo Mayer and Roman Anthony is a highly sought-after collectible for baseball fans. This rookie card showcases the two promising players from the Boston Red Sox, making it a valuable addition to any sports trading card collection. Manufactured by Topps, this base set card from the 2026 MLB season is a must-have for fans of the sport looking to own a piece of history.