Dutch referee Bjorn Kuipers shows the red card for Paris Saint-Germain's Swedish forward Zlatan Ibrahimovic after a clash with Chelsea's Brazilian midfielder Oscar during the UEFA Champions League round of 16 second leg football match between Chelsea and Paris Saint-Germain at Stamford Bridge in London on March 11, 2015. AFP PHOTO / GLYN KIRK (Photo credit should read GLYN KIRK/AFP via Getty Images)
