Some fighters are born to be champions. From the time that they step foot into the Octagon, it is clear that they are on a collision course with greatness. Jon Jones, Cain Velasquez and Dominick Cruz are all examples of this undeniable talent.
However, not everyone can be so lucky. Some fighters are afforded golden opportunities time and time again, but simply can't get the job done. Occasionally, they'll score a major win against a quality opponent, but their margin of victory is fairly small or the opponent is considered to be past their prime.
With the recent fall of some of the UFC's top divisional contenders, let's take a look at 10 fighters who struggle when the going gets tough.