LEVERKUSEN, GERMANY - FEBRUARY 21: Referee Felix Zwayer exchanges words with head coach Roger Schmidt of Bayer Leverkusen during the Bundesliga match between Bayer Leverkusen and Borussia Dortmund at BayArena on February 21, 2016 in Leverkusen, Germany. (Photo by Dennis Grombkowski/Bongarts/Getty Images)
