LONDON, ENGLAND - AUGUST 09: Alexis Sanchez of Arsenal during the Barclays Premier League match between Arsenal and West Ham United at Emirates Stadium on August 9, 2015 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)
LONDON, ENGLAND - AUGUST 09: Alexis Sanchez of Arsenal during the Barclays Premier League match between Arsenal and West Ham United at Emirates Stadium on August 9, 2015 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)