It's hard to deny just how successful the sport of mixed martial arts has become over the past several years.
The sport has provided entertainment to fans and viewers in all parts of the world as it displays real-life excitement and thrill.
However, with any good comes the bad.
Over the years in MMA, we've also seen some of the worst, most head-shaking performances known to mankind.
For some reason or another, these specific fights lacked the package and had fans screaming for relief or dozing off to sleep.
The following slides display the 10 worst matches in MMA history.