Chelsea's Brazilian midfielder Oscar (L) chases Swansea City's South Korean midfielder Ki Sung-Yueng (C) during the English League Cup first leg semi-final football match between Chelsea and Swansea City at Stamford Bridge in London on January 9, 2013. AFP PHOTO / ADRIAN DENNIS RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or ?live? services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications.