Mark Kerr is an American former wrestler and mixed martial artist. During his MMA career, he was a two-time UFC Heavyweight Tournament Champion, World Vale Tudo Championship tournament winner, and a PRIDE FC competitor. In collegiate wrestling, Kerr was an NCAA Division I champion. In freestyle wrestling, he won gold and silver medals at the World Cup and silver at the Pan American Games. In submission wrestling, Kerr is a four-time ADCC World Champion, winning his weightclass twice along with the absolute division and the Superfight Championship.