UFC Hall of Famer Michael Bisping believes that superstar Conor McGregor could retire if he loses to Dustin Poirier in the trilogy at UFC 264. McGregor and Poirier meet in the main event of Saturday’s blockbuster UFC 264 pay-per-view card. The two archrivals are 1-1 all-time in their two-fight series, so the third fight this … Continue reading Michael Bisping believes Conor McGregor could retire if he loses to Dustin Poirier at UFC 264