It prompted McGregor to hop onto social media, as he tweeted a message to his 8.6 million followers.
“Hey guys, I’m thinking about buying Manchester United! What do you think?”
He was met with a string of responses, with one fan asking him to buy fellow ESL hopeful Tottenham Hotspur instead, while another said he would “brush my teeth with your whiskey every morning,” if he went through with the move.
McGregor is set to return to action at UFC 264 on July 10 in Las Vegas. The event will take place in front of a capacity crowd, with all 20,800 tickets sold out in a matter of seconds for his blockbuster trilogy fight with rival Dustin Poirier.