LAS VEGAS, May 3. /TASS/. US boxer Floyd Mayweather Jr. Will has said Saturday he will relinquish all his titles on Monday.

Mayweather beat Manny Pacquiao on Saturday night in a bout labelled the "Fight of the Century".

American Mayweather, 38, retained his WBC and WBA welterweight titles and took the WBO belt from Filipino Pacquiao, 36, in the fight at the MGM Grand Garden Arena in Las Vegas.