LONDON, ENGLAND - MARCH 06: Theo Walcott of Arsenal holds off a challenge from Djamel Mesbah of AC Milan during the UEFA Champions League Round of 16 second leg match between Arsenal and AC Milan at Emirates Stadium on March 6, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)
LONDON, ENGLAND - MARCH 06: Theo Walcott of Arsenal holds off a challenge from Djamel Mesbah of AC Milan during the UEFA Champions League Round of 16 second leg match between Arsenal and AC Milan at Emirates Stadium on March 6, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)