Floyd Mayweather and Manny Paciquiao Welterweight Fight in Las Vegas.

Referee Kenny Bayless separates Floyd Mayweather Jr., left, and Manny Paciquiao during their welterweight unification bout at MGM Grand Garden Arena Saturday, May 2, 2015, in Las Vegas, Nevada. Mayweather won with an unanimous decision after the 12 round fight. Photo by David Becker/UPI