5 MMA fighters who won fights despite grave injuries 

#1 Conor McGregor

He may have broken the UFC record for most days without a title defence, but Conor McGregor's credentials as a fighter and the fact that he has paid a lot of dues are undeniable. In just his second UFC fight, he dominated current Featherweight Champion Max Holloway(the last loss on his record so far) and earned a unanimous decision win over the Hawaiian.

After the fight, it came to light that McGregor had torn his ACL and hurt his MCL and meniscus. He said that during the second round, he heard a big pop in his left knee and knew something was wrong. Having won the first to rounds and to avoid any further damage to it, McGregor controlled Holloway on the ground for the last round and sealed his win.

Almost a year passed before a fully fit McGregor set foot in the octagon again, but he made an emphatic return at UFC Fight Night 46, knocking out Diego Brandao in the main event and earning a performance bonus.

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