Mayweather has not fought since he beat Andre Berto in 2015 but has long called for a clash with the UFC star.
And he has called on the Irishman to sign to fight him in just three months’ time.
“When I faced Arturo Gatti, I went to his turf,” Mayweather told FightHype . “He was the A side, I was the B side. I beat him, I didn’t cry, I didn’t complain. When I faced Oscar