Conor McGregor teased a return to the octagon on Tuesday. The former two-division UFC champion took to social media to say that he has ‘unfinished business’ with  Michael Chandler .  IRON MIKE CHANDLER. Unfinished business. — Conor McGregor (@TheNotoriousMMA) April 22, 2025 Talks of a McGregor and Chandler fight has been in the making since they coached The Ultimate Fighter 31 as opposing coaches in 2023.