Floyd Mayweather Vs. Conor McGregor Rumored Date: Signs Pointing To Late-August Matchup. The MGM Grand has become the unofficial home fighting arena for Mayweather and the date would seemingly make sense.
It would leapfrog Canelo Alvarez vs. Gennady Golovkin, which is scheduled for September 16, and would provide Mayweather and McGregor the ample additional time needed to prepare for the fight. Both men are said to have already begun training for the cross-discipline contest.
In fact, Las Vegas Sun reporter Mick Akers saw Mayweather and his entourage doing a piece of his normal workout: