Khosro Heidari (R) of Iran's Esteghlal flight for the ball with Ali Mahmood Qassim Juma of UEA's Al-Shabab Al-Arabi during the AFC Champions League round of 16 second leg match in Tehran, Iran, on May 22, 2013. The match ended with a 0-0 draw. (Xinhua/Ahmad Halabisaz)
Ardeshir Ghalehnoy (Front), head coach of Iran's Esteghlal, waves after the AFC Champions League round of 16 second leg match against UEA's Al-Shabab Al-Arabi in Tehran, Iran, on May 22, 2013. The match ended with a 0-0 draw. (Xinhua/Ahmad Halabisaz)
Mojtaba Jabari (L) of Iran's Esteghlal fights for the ball with Hassan Safar of UEA's Al-Shabab Al-Arabi during the AFC Champions League round of 16 second leg match in Tehran, Iran, on May 22, 2013. The match ended with a 0-0 draw. (Xinhua/Ahmad Halabisaz)
Azizbek Haydarov (L) of UEA's Al-Shabab Al-Arabi talks with referee Tan Hai of China during the AFC Champions League round of 16 second leg match against Iran's Esteghlal in Tehran, Iran, on May 22, 2013. The match ended with a 0-0 draw. (Xinhua/Ahmad Halabisaz)