Light welterweight contender Amir Khan (28-3, 19 KO's) won a unanimous decision over Julio Diaz (40-8-1, 29 KO's) at the Motorpoint arena in England Saturday night. Scores were 114-113, 115-113, and 115-112. Khan won most of the rounds with his superior boxing speed and skills but was caught numerous times throughout the fight, and dropped in the fourth round. On the undercard, American heavyweight prospect Deaontay Wilder continued his 100% KO streak as a professional boxer as he defeated Audley Harrison (31-7, 23 KO's) by first round KO. Wilder improves to 28-0, with 28 KO's.