John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2. He is credited as being one of the greatest and most recognizable referees in combat sports history and an important figure in the mixed martial arts world, helping create the Unified Rules of MMA after initially creating the original rule book of the UFC. Wikipedia
John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2. He is credited as being one of the greatest and most recognizable referees in combat sports history and an important figure in the mixed...