1. "Big" John McCarthy has ruled the ring as a referee for more than 14 years. An imposing figure and a mixed martial arts (MMA) pioneer, McCarthy has officiated more than 600 bouts and is one of the original authors of the sport's rules and regulations. A former Los Angeles police officer who is a Tactical Self-Defense instructor at the Los Angeles Police Academy, McCarthy also serves as a commentator for various MMA events.

Full Biography

  1. "Big" John McCarthy has ruled the ring as a referee for more than 14 years. An imposing figure and a mixed martial arts (MMA) pioneer, McCarthy has officiated more than 600 bouts and is one of the original authors of the sport's rules and regulations. A former Los Angeles police officer who is a Tactical Self-Defense instructor at the Los Angeles Police Academy, McCarthy also serves as a commentator for various MMA events.

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