The possibility of a duel between boxer Floyd Mayweather and mixed martial arts star Conor McGregor got another boost Friday as Ultimate Fighting Championship boss Dana White said he’d pay each $25 million to meet. UFC president Dana White said he would pay Floyd Mayweather and mixed martial arts star Conor McGregor $25mn apiece and a cut of pay-per-view proceeds to fight / MANILA BULLETIN White, president of the popular UFC mixed martial arts brand in which Ireland’s McGregor stars, seemed to indicate in his comments on a Fox radio broadcast that the two would meet in a boxing ring, not the UFC octagon.