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CUIABA, BRAZIL - JUNE 21: Edin Dzeko of Bosnia and Herzegovina looks dejected after a 1-0 defeat in the 2014 FIFA World Cup Group F match between Nigeria and Bosnia-Herzegovina at Arena Pantanal on June 21, 2014 in Cuiaba, Brazil. (Photo by Stu Forster/Getty Images)

CUIABA, BRAZIL - JUNE 21:  Edin Dzeko of Bosnia and Herzegovina looks dejected after a 1-0 defeat in the 2014 FIFA World Cup Group F match between Nigeria and Bosnia-Herzegovina at Arena Pantanal on June 21, 2014 in Cuiaba, Brazil.  (Photo by Stu Forster/Getty Images)