Conor McGregor was once considered by many to be the pound-for-pound greatest fighter in the world, so where did it all go wrong? Not only was ‘The Notorious’ one of the best showmen combat sports had ever seen, but he also knew how to back up his talk inside the octagon. It took him just 13 seconds to unify the featherweight title against Jose Aldo before later becoming the first-ever simultaneous two-division champion with a flawless performance at UFC 205