SINSHEIM, GERMANY - MAY 02: Head coach Juergen Klopp of Dortmund jokes with Ilkay Guendogan of Dortmund after the Bundesliga match between 1899 Hoffenheim and Borussia Dortmund at Wirsol Rhein-Neckar-Arena on May 2, 2015 in Sinsheim, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)