light-welterweight title on Saturday night with a clinical stopppage victory over challenger Paulie Malignaggi at Madison Square Garden , New York . British world champion Amir Khan retains his WBA light-welterweight title . The 23-year-old Khan stops American Paulie Malignaggi in the 11th round . - In a rematch of their 2012 fight, Floyd Mayweather Jr. and Manny Pacquiao fight to unify titles at Las Vegas MGM Grand Garden Arena on Saturday night.
British world champion Amir Khan retains his WBA light-welterweight title . The 23-year-old Khan stops American Paulie Malignaggi in the 11th round . - In a rematch of their 2012 fight, Floyd Mayweather Jr. and Manny Pacquiao fight to unify titles at Las Vegas MGM Grand Garden Arena on Saturday night.