Watch: Mitchell Starc knocked Sarfraz Ahmed’s off stump flying towards the slip cordon as Pakistan slipped further at the Perth Stadium.

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Triggered by debutant Aamer Jamal’s 6-111, Pakistan had hit back on the second day of the first Test match of the Benaud-Qadir Trophy as Australia collapsed from 411-5 to 487.

Pakistan, 132-2 overnight, lost night-watch Khurram Shahzad early, but looked settled at 181-3 before losing Imam-ul-Haq (62) and Babar Azam (21) in quick succession.

Mitchell Starc had taken out Shan Masood (30) on the second evening. Now, bowling from over the wicket, he curled a 75-over-old ball into Sarfraz Ahmed at 140.1kph. Even if Sarfraz had accounted for the swing, he had not expected the extent of it, and played outside the line.

The ball sped through the gap between Sarfraz’s bat and pad and sent the off-stump cartwheeling towards the slip cordon as Pakistan slumped to 195-6.

At lunch on the third day, Pakistan were 203-6 with Saud Shakeel (12) and Salman Ali Agha (4) at the crease. They needed another 85 to make Australia bat again.

Watch Mitchell Starc send Sarfraz Ahmed’s off-stump cartwheeling: