Khan vows to bounce back after controversial points defeat to Peterson.
Amir Khan has vowed to prove himself as 'a warrior' by seeking redemption against Lamont Peterson after Saturday's controversial split decision defeat.

Khan produced a sub-standard performance in Washington as he lost his WBA and IBF light-welterweight titles to local man Peterson at the weekend.

Yet attention has instead focused on a number of contentious issues, such as referee Joseph Cooper's deduction of two points .