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COLOGNE, GERMANY - DECEMBER 16: Head coach Stefan Ruthenbeck of Koeln celebrates after winning during the Bundesliga match between 1. FC Koeln and VfL Wolfsburg at RheinEnergieStadion on December 16, 2017 in Cologne, Germany. (Photo by TF-Images/TF-Images via Getty Images)

COLOGNE, GERMANY - DECEMBER 16: Head coach Stefan Ruthenbeck of Koeln celebrates after winning during the Bundesliga match between 1. FC Koeln and VfL Wolfsburg at RheinEnergieStadion on December 16, 2017 in Cologne, Germany. (Photo by TF-Images/TF-Images via Getty Images)