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LONDON, ENGLAND - APRIL 30: Diego Costa (R) of Club Atletico de Madrid celebrates his goal with Diego Simeone, coach of Club Atletico de Madrid during the UEFA Champions League semi-final second leg match between Chelsea and Club Atletico de Madrid at Stamford Bridge on April 30, 2014 in London, England. (Photo by Clive Rose/Getty Images)

LONDON, ENGLAND - APRIL 30:  Diego Costa (R) of Club Atletico de Madrid celebrates his goal with Diego Simeone, coach of Club Atletico de Madrid during the UEFA Champions League semi-final second leg match between Chelsea and Club Atletico de Madrid at Stamford Bridge on April 30, 2014 in London, England.  (Photo by Clive Rose/Getty Images)