Web Reference: 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. COMMAND is an Internationally recognized training school for Referees and Judges in Mixed Martial Arts (MMA). It was established by one of MMA's founding figures, the legendary Big John McCarthy, and is taught alongside industry experts Jerin Valel, Ron McCarthy, and Jason Herzog. Feb 11, 2026 · Longtime MMA referee "Big" John McCarthy worked his first fight at UFC 2, then helped shape the rules and the officiating of an entire sport.
YouTube Excerpt: In this edition of Uncrowned Films, legendary MMA
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Details: $62M - $78M
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Last Updated: April 2, 2026
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