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The 29-year-old hitman, who joined the Qataris from Turkish giants Galatasaray last year, has poached four goals in three matches and is one goal ahead of five players.
On three goals each are: Sepahan’s Ahmad Jamshadian, Suwon Bluewing’s Ha Taegoon, Al Sadd’s Leandro, Emirates’ Nabil Daoudi and Al Ittihad’s Abdelmalik Ziaya.
Twelve players have scored two goals each so far.