Super Eagles forward Odion Ighalo scored for Al Hilal again as his side were held to a 2-2 league draw against Damac.
Ighalo got his side ahead in the 38th minute as he slotted a ground cross from the left into the net.
Vietto made it 2-0 for the home side in the 51st minute, to try to put the result of the game beyond doubt.
Two goals in the last quarter of the game got the away side on level and put Odion Ighalo and Al Hilal side in distraught.
Al-Shammeri pulled one back for the visitor in the 75th minute before Al-Shahrani scored the equalizer just after the 90th minute mark.