LONDON (AFP) - British boxing fallen star Amir Khan is set to re-launch his career with a bout against Ireland's Oisin Fagan at London's ExCel Centre on December 6. Khan, the 2004 Olympic silver medallist, was knocked out in just 54 seconds by Breidis Prescott last month as he suffered the first professional defeat of his career. That left him with a pro record of 18-1. Khan's then new trainer Jorge Rubio was blamed for making the fight with the Colombian and the Cuban was sacked from his job soon afterwards, to be replaced by American Freddie Roach. But Roach's involvement in Manny Pacquiao's clash with Oscar De La Hoya in Las Vegas, also on December 6, means Dean Powell will be in Khan's corner at the ExCeL. Commonwealth lightweight champion Khan, who has been training recently in the United States, is expected to spar against fearsome Filipino puncher Pacquiao next week before return to Britain in late November. Fagan, who has been based in the States for some time, boasts a record of 22 wins from 27 professional contests but with only 13 of those victories coming by way of knockout. However, he has been stopped just once in his career. The 34-year-old has campaigned at lightweight and light-welterweight, winning the Irish title in the latter division in June 2006. Fagan's most impressive opponent to date was Paul Spadafora, the former IBF world champion, who beat the Dubliner on a split decision.