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UNTERHACHING, GERMANY - DECEMBER 15: Stefan Kiessling of Bayer Leverkusen takes a shot at goal during the DFB Cup match between SpVgg Unterhaching and Bayer Leverkusen at Alpenbauer Sportpark on December 15, 2015 in Unterhaching, Germany. (Photo by Adam Pretty/Bongarts/Getty Images)

UNTERHACHING, GERMANY - DECEMBER 15:  Stefan Kiessling of Bayer Leverkusen takes a shot at goal during the DFB Cup match between  SpVgg Unterhaching and Bayer Leverkusen at Alpenbauer Sportpark on December 15, 2015 in Unterhaching, Germany.  (Photo by Adam Pretty/Bongarts/Getty Images)