Diaz had previously battled McGregor a couple months prior. Diaz stunned the world by submitting the Irishman in the second round, handing him his first UFC loss. The stakes for the rematch couldn't have been any higher.
In the first season of The Ultimate Fighter, Griffin and Bonnar faced off in the season finale. The two light heavyweights aided the promotion in this endeavour: the three-round brawl was a spectacle, with Griffin winning by decision.
The only fighter to feature twice on this list is Robbie Lawler, but Justin Gaethje came close. But it was in 2017 that Gaethje had his best bout of his illustrious career. Gaethje was unbeaten and one of the most hyped competitors in MMA at the moment.
Lawler won the fight on a split decision, but many fans believed Condit deserved to win, and the decision is still up for debate today. In any case, it was one of the greatest fights ever.
In one of the most dramatic one-round bouts ever, Kongo had grabbed victory from the jaws of defeat. Seriously, keep an eye on this one. It will take you less time than it takes to reheat a plate of leftovers.
This battle was very similar to Costco-he had it all. Jung knocked out Poirier with a dozen chokes in the fourth round. For some reason, this seems to be forgotten when fans discuss the greatest battles of all time, but there's no mistake.
At the time of the battle, Zhang of China was the reigning champion. She has continued to win a stunning 21 streak, aiming for 22 against Jedrzejczyk, the most dominant champion in division history.
Unfortunately for Gustafsson, the judge finally gave Jones a unanimous decision victory, but the fight was good enough to put both fighters in the place of MMA history books.
Dan Henderson and Mauricio Shogun Rua, two of the largest light heavyweights in MMA history, appeared together in Pride, but never met in the now obsolete Japanese promotional ring. Miraculously, both men were still conscious when the battle was over.
The first battle between Robbie Lawler and Rory MacDonald was good, but never classic, as the former won the split decision in 2013. But when the two welterweights met again in 2015, this time the title of Roller was at stake, one of the greatest battles of all time, and perhaps the greatest of all time. It turned out.