Inside MMA referee school

Most times they aim to be the most invisible person in the cage, but all to often the spotlight shines on them instead of the fighters. Referees have the best seat in the house, and he most thankless job in MMA, so Ron Kruck decided he had to find out what it takes to become an MMA Ref.

With cameos from Herb Dean, Chuck Liddell, Michael Bisping and Dana White.