Filed under: News UFC Bellator John McCarthy explains changes to Unified Rules of MMA By Marc Raimondi@marc_raimondi Jan 21, 2017, 11:00am EST Share this story Share this on Facebook Share this on Twitter LOS ANGELES -- After Bellator 170 weigh-ins Friday, referee John McCarthy, the godfather of MMA officials, explains the ins and outs of the changes to MMA's Unified Rules and why he believes they were needed. Get the latest gear UFC 286 Artist Series T-Shirt UFC 286 Event T-Shirt Leon ‘Rocky’ Edwards T-Shirt Kamaru ‘Nigerian Nightmare’ Usman T-Shirt Justin ‘The Highlight’ Gaethje T-Shirt Leon Edwards Authentic Walkout Jersey Kamaru Usman Authentic Walkout Jersey UFC Legacy Championship Replica Belt More From MMA Fighting Matt Brown argues Leon Edwards should accept Colby Covington as a ‘little bit of a blessing’ because it’s a more winnable fight Colby Covington warns Leon Edwards against declining title fight: ‘You don’t cross your boss’ Michael Bisping reponds to Justin Gaethje’s accusation of bias commentary: ‘Justin’s just being a loyal friend’ Morning Report: Dustin Poirier open to Justin Gaethje rematch: ‘It’s a fight that makes me nervous’ Arnold Allen scoffs at suggestion that Max Holloway is ‘washed up’ Muhammad Mokaev tells Jafel Filho to ‘lose like a man,’ promises ‘I will never tap even if I end my career that way’