(FILES) A file picture taken on March 10, 2012 shows Chelsea's Ivorian striker Didier Drogba celebrating after scoring his goal during the English Premier League football match between Chelsea and Stoke City at Stamford Bridge in London. Newly-crowned European champions Chelsea confirmed on May 22, 2012 that Ivory Coast striker Didier Drogba will leave the club when his contract expires at the end of June. AFP PHOTO/GLYN KIRKGLYN KIRK/AFP/GettyImages