LONDON, ENGLAND - AUGUST 29: Diego Costa of Chelsea appeals during the Barclays Premier League match between Chelsea and Crystal Palace at Stamford Bridge on August 29, 2015 in London, England. (Photo by Paul Gilham/Getty Images)
LONDON, ENGLAND - AUGUST 29: Diego Costa of Chelsea appeals during the Barclays Premier League match between Chelsea and Crystal Palace at Stamford Bridge on August 29, 2015 in London, England. (Photo by Paul Gilham/Getty Images)