Akram Afif (R) of Al Sadd SC vies with Siamak Nemati of Persepolis FC during the AFC Asian Champions League semi-finals first leg football match between Qatar's Al Sadd and Iran's Persepolis FC at Jassim Bin Hamad Stadium Doha, Qatar, on Oct. 2, 2018. Persepolis FC won 1-0. (Xinhua/Nikku)