LONDON, ENGLAND - MARCH 07: Arsenal's Theo Walcott goes close with a shot during the UEFA Champions League Round of 16 second leg match between Arsenal FC and FC Bayern Muenchen at Emirates Stadium on March 7, 2017 in London, United Kingdom. (Photo by Craig Mercer - CameraSport via Getty Images)

LONDON, ENGLAND - MARCH 07: Arsenal's Theo Walcott goes close with a shot during the UEFA Champions League Round of 16 second leg match between Arsenal FC and FC Bayern Muenchen at Emirates Stadium on March 7, 2017 in London, United Kingdom. (Photo by Craig Mercer - CameraSport via Getty Images)