Manchester City's Argentinian striker Sergio Aguero reacts after picking up an injury during the English Premier League football match between Manchester City and Stoke City at The Etihad stadium in Manchester, north-west England on January 1, 2013. AFP PHOTO/ANDREW YATES 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.