LONDON, ENGLAND - JANUARY 22: Alexis Sanchez scores Arsenal's 2nd goal from the penalty spot during the Premier League match between Arsenal and Burnley at Emirates Stadium on January 22, 2017 in London, England. (Photo by David Price/Arsenal FC via Getty Images)

LONDON, ENGLAND - JANUARY 22:  Alexis Sanchez scores Arsenal's 2nd goal from the penalty spot during the Premier League match between Arsenal and Burnley at Emirates Stadium on January 22, 2017 in London, England.  (Photo by David Price/Arsenal FC via Getty Images)