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COLOGNE, GERMANY - MARCH 18: Referee Harm Osmers shows the red card to Lucas Alario of Leverkusen during the Bundesliga match between 1. FC Koeln and Bayer 04 Leverkusen at RheinEnergieStadion on March 18, 2018 in Cologne, Germany. (Photo by Alex Grimm/Bongarts/Getty Images)

COLOGNE, GERMANY - MARCH 18: Referee Harm Osmers shows the red card to Lucas Alario of Leverkusen during the Bundesliga match between 1. FC Koeln and Bayer 04 Leverkusen at RheinEnergieStadion on March 18, 2018 in Cologne, Germany.  (Photo by Alex Grimm/Bongarts/Getty Images)