LONDON, ENGLAND - DECEMBER 11: Chelsea's Diego Costa reacts during the Premier League match between Chelsea and West Bromwich Albion at Stamford Bridge on December 11, 2016 in London, England. (Photo by Craig Mercer - CameraSport via Getty Images)
LONDON, ENGLAND - DECEMBER 11: Chelsea's Diego Costa reacts during the Premier League match between Chelsea and West Bromwich Albion at Stamford Bridge on December 11, 2016 in London, England. (Photo by Craig Mercer - CameraSport via Getty Images)