MANCHESTER, ENGLAND - AUGUST 16: Aleksandar Kolarov of Man City (L) and Eliaquim Mangala of Man City (R) battle with Diego Costa of Chelsea during the Barclays Premier League match between Manchester City and Chelsea at the Etihad Stadium on August 16, 2015 in Manchester, England. (Photo by Simon Stacpoole/Mark Leech Sports Photography/Getty Images)