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DORTMUND, GERMANY - APRIL 7: Joe Allen of Liverpool and Nuri Sahin of Dortmund (left) in action during the UEFA Europa League quarter final first leg match between Borussia Dortmund and Liverpool FC at Signal Iduna Park aka Westfalenstadion on April 7, 2016 in Dortmund, Germany. (Photo by Jean Catuffe/Getty Images)