OER-ERKENSCHWICK, GERMANY - JULY 08:  Head coach Domenico Tedesco of Schalke reactsof Schalke during the preseason friendly match between SpVgg Erkenschwick and FC Schalke 04 at Stimberg Stadium on July 8, 2017 in Oer-Erkenschwick, Germany.  (Photo by Christof Koepsel/Bongarts/Getty Images)