American Lamont Peterson stunned British Amir Khan on Saturday.

American Lamont Peterson stunned British Amir Khan s on Saturday, winning a majority decision to take the International Boxing Federation and World Boxing Association welterweight title.

Referee Joe Cooper Khan had two points in the fight to push Peterson out to be the margin of his defeat.

One of the judges had Khan winning 114-111, while the other two courts Peterson scores the winner 113-112, giving the victory.