DORTMUND, GERMANY - APRIL 07: CEO of Borussia Dortmund Hans Joachim Watzke welcomes Head coach and Manager Juergen Klopp (HC) of FC Liverpool at Signal Iduna Park during the UEFA Europa League quarter final first leg match between Borussia Dortmund and Liverpool on April 07, 2016 in Dortmund, Germany. (Photo by Oliver Kremer at Pixolli Studios/Getty Images)
