WATFORD, ENGLAND - AUGUST 20: Diego Costa of Chelsea scores their winning goal during the Premier League match between Watford and Chelsea at Vicarage Road on August 20, 2016 in Watford, England. (Photo by Christopher Lee/Getty Images)
WATFORD, ENGLAND - AUGUST 20: Diego Costa of Chelsea scores their winning goal during the Premier League match between Watford and Chelsea at Vicarage Road on August 20, 2016 in Watford, England. (Photo by Christopher Lee/Getty Images)