Floyd Mayweather vs Conor McGregor fight's promo released

American television channel, Showtime, which will host the pay-per-view stream of the upcoming boxing match between Floyd Mayweather and Conor McGregor, has released a promotional video for the fight. The bout, which is being described as 'The Fight of the Century', will be a 12-round fight contested at 154 pounds at the MGM Grand in Las Vegas on August 26.