Manny Pacquiao of the Philippines ducks a punch from Floyd Mayweather, Jr. of the US (R) in the seventh round during their welterweight WBO, WBC and WBA (Super) title fight in Las Vegas, Nevada, May 2, 2015. [Photo/Agencies]

Manny Pacquiao of the Philippines (R) lands a right against Floyd Mayweather, Jr. of the US in the fifth round during their welterweight WBO, WBC and WBA (Super) title fight in Las Vegas, Nevada, May 2, 2015. [Photo/Agencies]