The Topps 2026 Series Two Blue Foil Mitch Keller #436 trading card is a limited edition collectible featuring the Pittsburgh Pirates pitcher. Manufactured by Topps in 2025, this original serial numbered card is part of a print run of only 150, making it highly sought after by baseball card enthusiasts. With a sleek blue foil design and near mint condition, this English language card is a valuable addition to any sports trading card collection focused on Major League Baseball.