The International Mixed Martial Arts Federation (IMMAF) in partnership with Las Vegas’ own Tuff-N-Uff: “The Future Stars of Mixed Martial Arts,” is presenting the first-ever amateur Mixed Martial Arts  World Championships during UFC International Fight Week™ on Monday, June 30  to Saturday, July 5. The IMMAF selected Tuff-N-Uff to co-present this competition because of their excellent reputation and […]