Xavi Hernandez (R) of Al Sadd SC vies for the ball with Ahmad Nourollahi 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 in Doha, Capital of Qatar, Oct. 02, 2018. Persepolis FC won 1-0. (Xinhua/Nikku)