FILE - This is a Tuesday, April 1, 2014 file photo of Borussia Dortmund's head coach Juergen Klopp as he laughs during a press conference at the Santiago Bernabeu stadium in Madrid, Spain. Klopp is one of the potential full-time replacements for David Moyes as Manchester United manager after his firing on Tuesday, April 22, 2014(AP Photo/Andres Kudacki, File)