Pakistan’s former captain, Shoaib Malik has come under scrutiny for his bowling action in the ongoing Quaid-e-Azam Trophy first class tournament.

Although still to be officially reported to the Pakistan Cricket Board (PCB) by the match officials, sources said that Malik’s bowling action had been viewed after the match on video by the match officials.

“They have doubts over the legality of some of the deliveries sent down by Malik on the first day of the four-day game for ZTBL against Karachi Dolphins at the national stadium on Friday,” the source told PTI.

Malik, out of favour with the selectors for now, has bagged plenty of wickets since the start of the first class season for the ZTBL team he is captaining in the event.

On Friday, he picked up five wickets in the Karachi innings but some of his deliveries came under scrutiny of the umpires and match referee.

“The umpires and match referee have viewed his bowling later on the clips captured by the video analyst,” the source said.

Malik, 32, last played for Pakistan in the World T20 Cup in Bangladesh this year but his last Test appearance was in August, 2010.

The PCB has issued strict instructions to the umpires and match referees deputed in the domestic season to keep a close watch on the bowlers with suspect bowling actions.

Pakistan’s other off-spinner, Mohammad Hafeez, presently playing in the first Test against Australia in Dubai, has already been reported for his action in the Champions League in India last month.