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LISBON, PORTUGAL - AUGUST 18: Sporting's forward Islam Slimani celebrates scoring a goal during the UEFA Champions League qualifying round play-off first leg match between Sporting CP and CSKA Moscow at Estadio Jose Alvalade on August 18, 2015 in Lisbon, Portugal. (Photo by Carlos Rodrigues/Getty Images)

LISBON, PORTUGAL - AUGUST 18: Sporting's forward Islam Slimani celebrates scoring a goal during the UEFA Champions League qualifying round play-off first leg match between Sporting CP and CSKA Moscow at Estadio Jose Alvalade on August 18, 2015 in Lisbon, Portugal.  (Photo by Carlos Rodrigues/Getty Images)