Azhar 'fine' after taking blow to the head

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Pakistan batsman Azhar Ali is expected to be fit for the final day of the second Test against Australia despite taking a blow to the head in the field at the MCG on Thursday.

Azhar, who scored a double century as the tourists posted 443-9 declared in their first innings in Melbourne, was struck on the helmet fielding at short leg when Matthew Wade pounced on a poor ball from Yasir Shah.

The 31-year-old was treated on the field before being helped off on a penultimate day which was cut short due to rain with Steve Smith 100 not out and Australia 465-6.

Pakistan bowling coach Azhar Mahmood said the player himself will have the final say on whether he features on day five, but said he was not seriously injured.

"He's fit and he's alright. He's being monitored by the medical staff and he should be alright," said former Pakistan all-rounder Mahmood.

"He was fine - whenever you get hit on the head, you get slight dizziness.

"They have to monitor him throughout the night. He's not serious, he's fine and he's walking around, he should be okay for tomorrow."