In this Saturday, March 14, 2009 file photo Mexico's Marco Antonio Barrera, left, and Britain's Amir Khan fight during a WBA International Lightweight Championship boxing fight in Manchester, England. Amir Khan will make his first world title challenge when he moves up to light-welterweight to challenge WBA champion Andreas Kotelnik on June 27. The big-punching 22-year-old British lightweight, who stopped three-time world champion Marco Antonio Barrera in his last fight March 14, will face the 31-year-old German-based Ukrainian although promoter Frank Warren said on Wednesday April 8, 2009 the venue is still to be decided.