Ben Askren (born July 18, 1984) is an American former amateur wrestler for the University of Missouri and U.S. Olympic team. He is now a grappler, mixed martial artist and the former Bellator Welterweight Champion and the current ONE Welterweight Champion known for his effective wrestling . He is currently ranked as the #5 welterweight in the world by Fight!Magazine and as the #8 welterweight by Sherdog.