Dana White: Floyd Mayweather vs. Conor McGregor rematch only happens under MMA rules

Floyd Mayweather Jr. seemed to drop a hint he’s got mixed martial arts on his mind last week. The undefeated boxing superstar dropped a short clip showing him stepping into an MMA cage inside a gym.
According to UFC president Dana White, that’s the only way we’ll ever see a rematch between Mayweather and UFC lightweight champion Conor McGregor.
Mayweather and McGregor competed in a boxing match in Las Vegas last August, which Mayweather won via 10th-round TKO to improve his re