Mark R. Hughes (born October 13, 1973) is an American former mixed martial artist. He trained with the Miletich Fighting Systems along with his twin brother, UFC Hall of Famer and former two-time UFC Welterweight Champion, Matt Hughes. Mark and Matt competed in a wrestling tournament at their school and ended up facing off in the finals. Mark won the match, showcasing both his wrestling prowess and the strength that the Hughes brothers are known for.