According to sources close to the selectors, Shehzad and Umar, who were dropped for the tour to England from the outset, do not figure in the selectors' list for the one-day series and T20 international in England.
"The selectors want to give new and young players maximum exposure in T20 cricket and are also considering resting experienced all-rounder Shoaib Malik for the T20 match in England," one source told PTI.
Pakistan's former Test captain Inzamam-ul-Haq is already in England watching the performance of the national 'A' team in the ongoing tri-series with England Lions and Sri Lanka A.
"The selectors have shortlisted 30 probables and these include mostly young players and there is no room for Shehzad or Umar," the source said.
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He said Inzamam had been very impressed with the performance of some of the youngsters playing for the 'A' side in England.
While opener Shehzad had been cooling his heels in Pakistan, Umar Akmal has been busy playing in English national T20 league and now in the Caribbean Premier League.
Both the experienced batsmen remain hopeful of a recall for the limited overs series after the new selectors had sidelined them from the boot camp held in Kakul for the England tour on disciplinary grounds.
Leg-spinner Yasir Shah has also been included in the shortlist of 30 probables which also includes Sharjeel Khan, Khurrum Manzoor, Khalid Latif, Emad Wasim, Zafar Gohar and youngsters Saud Shakeel, Shadab Khan, Hasan Ali, Muhammad Asghar.