John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts (MMA) referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2.
John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts (MMA) referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2.
