He revealed he’s interested in facing Diaz under the Zuffa Boxing banner rather than stepping back into the UFC cage. Poirier referred to Diaz as “the one that got away,” a nod to their failed matchup back in 2018. Diaz Fires Back OnlineOn Friday, Diaz reacted to Poirier’s boxing challenge through a post on X (formerly Twitter). Most recently, Diaz scored a majority decision win over Jorge Masvidal in a boxing match earlier this year. With Diaz now free to compete anywhere and Poirier hinting at a potential boxing comeback, the matchup isn’t completely out of the question.