The 2025 Topps UFC Knockout Throwback Signatures Jiri Prochazka trading card is a rare and highly sought-after collectible for fans of Mixed Martial Arts (MMA) and the Ultimate Fighting Championship (UFC). Manufactured by Topps, this limited edition card features the signature of Jiri Prochazka, a talented athlete from the 2012 season. With only 25 of these throwback cards in existence, it is a valuable addition to any sports trading card collection, especially for fans of Jiri Prochazka and UFC memorabilia.