Finding any semblance of rhythm or consistency within the realm of the UFC can prove an arduous task. Every time a contender moves a step up the ladder, that fighter must immediately prepare to up the ante in terms of their level of competition.
In rare cases, top-tier fighters like Anderson Silva, Jon Jones and Georges St-Pierre perpetually evolve in order to rise to the occasion and meet their obstacles.
But not all of the UFC's 376 signed fighters can lock horns with the world's best scrappers bout after bout and maintain their job security.
Each of the 10 fighters who landed on this list have routinely experienced euphoric highs and demoralizing lows, sometimes in immediate succession.
Here's a glimpse at the 10 most inconsistent fighters in the UFC.