Dortmund's head coach Juergen Klopp reacts during the German first division Bundesliga football match Borussia Dortmund vs Hamburger SV in Dortmund, western Germany, on February 9, 2013. Hamburg won 1-4. AFP PHOTO / PATRIK STOLLARZ
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Credit: PATRIK STOLLARZ
Josep Guardiola, head coach of Muenchen shake hands with Juergen Klopp (R), head coachof Dortmund prior to the Bundesliga match between FC Bayern Muenchen and BVB Borussia Dortmund at Allianz Arena on April 12, 2014 in Munich, Germany.
Credit: Alexander Hassenstein
Head coach Juergen Klopp of Dortmund arrives for the friendly match between 1. FC Kaiserslautern and Borussia Dortmund at Fritz-Walter-Stadion on January 18, 2014 in Kaiserslautern, Germany.
Credit: Alex Grimm
Head coach Juergen Klopp of Dortmund reacts during the Bundesliga match again Borussia Moenchengladbach and Borussia Dortmund at Borussia Park Stadium on April 11, 2015 in Moenchengladbach, Germany.
Credit: Lars Baron
Juergen Klopp, head coach of Dortmund reacts during the Bundesliga match between Hertha BSC and Borussia Dortmund at Olympiastadion on December 13, 2014 in Berlin, Germany.
Credit: Stuart Franklin
Head coach Juergen Klopp of Dortmund reacts during the Bundesliga match between Bayer 04 Leverkusen and Borussia Dortmund at BayArena on January 31, 2015 in Leverkusen, Germany.
Credit: Matthias Hangst
Head coach Juergen Klopp of Dortmund reacts during the press conference after the Bundesliga match between Eintracht Frankfurt and Borussia Dortmund at Commerzbank-Arena on November 30, 2014 in Frankfurt am Main, Germany.