The 2026 Bo Jackson Battle Arena MCARMYKNIFE trading card features Christian McCaffrey in a unique gum battle foil design. This original sports card is part of the Bo Jackson Battle Arena set and is made of durable 20 Pt. card stock. The card showcases the player in a football-themed design, with English language text and a short print feature. The card number is BG29 and it is a limited edition piece from the 2026 season.