LONDON, ENGLAND – MARCH 11: Nemanja Matic of Chelsea appeals to referee Bjorn Kuipers of the Netherlands following a bad tackle on teammate Oscar of Chelsea by Zlatan Ibrahimovic of PSG during the UEFA Champions League Round of 16, second leg match between Chelsea and Paris Saint-Germain at Stamford Bridge on March 11, 2015 in London, England. (Photo by Mike Hewitt/Getty Images)
