LOTTE, GERMANY - MARCH 14: Thomas Tuchel head coach of of Borussia Dortmund before the DFB Cup quarter final between Sportfreunde Lotte and Borussia Dortmund at Sportpark am Lotter Kreuz on March 14, 2017 in Lotte, Germany. (Photo by Martin Rose/Bongarts/Getty Images)

LOTTE, GERMANY - MARCH 14:  Thomas Tuchel head coach of of Borussia Dortmund before the DFB Cup quarter final between Sportfreunde Lotte and Borussia Dortmund at Sportpark am Lotter Kreuz on March 14, 2017 in Lotte, Germany.  (Photo by Martin Rose/Bongarts/Getty Images)