'Big' John McCarthy helped shape MMA rules for decades. Now his mission is to pass the torch

Longtime MMA referee "Big" John McCarthy worked his first fight at UFC 2, then helped shape the rules and the officiating of ...

'I screwed this up': Inside the room where MMA referees sort through the good, bad and chaotic

Referees in fight sports come in for all kinds of criticism, but on one weekend in Las Vegas, they gather to help each other ...