Batsmen Fakhar Zaman, Imam-ul-Haq, Usman Salahuddin and Saad Ali received maiden Test call-ups as Pakistan named a 16-man squad for the tour to England and Ireland in May. As expected, there was no place for fast bowler Wahab Riaz, while Shan Masood, the leading run-scorer in the recently concluded Regional One-Day Cup, has been ruled out with a knee injury.