Conor McGregor sends warning to Max Holloway ahead of rematch

Conor McGregor is set to return to the UFC for the first time in five years, having last fought when he broke his leg against Dustin Poirier. McGregor has issued a warning to Max Holloway ahead of their upcoming rematch. The two fighters previously met earlier in their careers, and McGregor's return marks a highly anticipated comeback to MMA competition.