#5 Jon Jones
Jon Jones had the world at his feet. He was the youngest champion in UFC history, had a number of impressive wins under his belt and looked set to carve out a legacy for himself as one of the greatest men to ever step inside the octagon.
Unfortunately, that's not quite how things worked out, and nowadays Jones is slowly attempting to repair and rebuild his crumbling legacy.
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Why? Because his extreme partying, drug usage and reckless ways left him a shadow of the man he once was. After butchering a number of UFC events including UFC 151 and UFC 200, Jones was suspended on two different occasions for taking banned substances.
Somehow he is once again back in contention for a title, but many fans will feel like that shouldn't be the case.
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