McGregor, 28, hasn't fought since he defeated Eddie Alvarez at UFC 205 in November 2016.

The 40-year-old Mayweather, one of the great pound-for-pound fighters who retired at 49-0 in 2015, has said he'd want the fight to be at either 147 or 150 pounds and be part of a Showtime pay-per-view package. This is what the fight fans and MMA fans want to see.' 'I came out of retirement because I'm a businessman and I want to give the world what they want to see. 'There's only one fight that makes business sense,' Mayweather said. Mayweather's fight against Manny Pacquiao in 2015 sold 4.4 million pay-per-view buys and McGregor is the UFC's top draw. Mayweather was in London this week and told reporters he would end his nearly two-retirement for what could be the richest payday in fight history. 'If we can come to a deal with Haymon and Mayweather, the fight's gonna happen,' White said. White and McGregor did not announce specifics of the deal. Floyd Mayweather is three years into his promise to enter the Ultimate Fighting Championship in a failed bid to make nine figures switching codes. We now await Al Haymon and his boxer's signature in the coming days.' 'Congratulations to all parties involved. Boxing promoter and former professional boxer Floyd Mayweather dropped 18 million on a Miami Beach mansion last week. 'The first, and most important part of this historic contract has now officially been signed off on,' McGregor said. Mayweather purchased the house through an entity named Fojoso LLC.

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