Superior Challenge X featured 3 fights for vacant titles. Denmark's Joachim Christensen captured the Superior Challenge Light Heavyweight Championship with a unanimous decision victory over SC veteran Matti Makela. American TUF 8 winner Efrain Escudero took out Finland's Juha-Pekka Vainkainen to win the Superior Challenge Lightweight Championship. And top Swedish prospect Yosef Mohammad submitted late replacement Mike "The Nightmare" Neun in just over a minute to claim the Superior Challenge Heavyweight Championship.
The Championship Fighting Alliance presented CFA 12: Sampo vs Thao on Saturday, October 12, 2013, at the BankUnited Center on the campus of the University of Miami in Coral Gables, Florida. The main card aired live on AXS TV.
In the main event, CFA Flyweight Champion Josh "The Gremlin" Sampo successfully defended his 125-pound title for the first time with a 5-round unanimous decision victory over Sam Thao. Former UFC TUF winner Efrain Escudero outpointed Luis "Baboon" Palomino in the co-main event, the only non-title fight on the main card.
In other title fights, new CFA Womens Featherweight Champion Ashlee-Evans Smith derailed the Fallon Fox hype train with a third-round knockout of the sport's first-ever transgender fighter; Valdir "BBMonster" Araujo captured the vacant CFA Welterweight Championship with a second-round submission win over Romario Manoel "Junior Killer" Da Silva; and Yosdenis "Pink Panther" Cedeno squeaked by Torrance Taylor with a split decision to lay claim to the vacant CFA Lightweight Championship.