LONDON, ENGLAND - JANUARY 22: Alexis Sanchez of Arsenal celebrates scoring the 2nd goal during the Premier League match between Arsenal and Burnley at Emirates Stadium on January 22, 2017 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND - JANUARY 22: Alexis Sanchez of Arsenal celebrates scoring the 2nd goal during the Premier League match between Arsenal and Burnley at Emirates Stadium on January 22, 2017 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)