Fakhar Zaman and Imam-ul-Haq, the nephew of the legendary Inzamam-ul-Haq, have also found a place in the team. Pakistan suffered a blow when Yasir Shah was ruled out due to a stress fracture of his hip that knocked the star leg-spinner out of action for at least 10 weeks.
Shah was replaced with teenager Shadab Khan, who has only played one Test.
"Yasir's absence is a big loss for us", Inzamam said. "I hope he recovers quickly from his injury because we have some big home Test series coming up after this series too, and we will need him in the UAE".
Batsman Saad is selected primarily on his form in the last Quaid-e-Azam trophy tournament, which is Pakistan's premier four-day first class tournament.
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Pakistan squad: Sarfraz Ahmed (captain), Azhar Ali, Imam-ul-Haq, Sami Aslam, Haris Sohail, Babar Azam, Fakhar Zaman, Saad Ali, Asad Shafiq, Usman Salahuddin, Shadab Khan, Mohammad Amir, Mohammad Abbas, Hasan Ali, Rahat Ali, Faheem Ashraf. In the previous season, he was, by a distance, the best batsman in the competition, scoring 935 runs at an average of 68.35 - no other batsman scored more than 735 runs or averaged greater than 50 in a season noted for its low scores and bowler-friendly pitches.
Fawad Alam, son of Pakistan's famous first-class cricketer Tariq Alam, made an early start to his first-class career at the young age of 17, he also played in the under 19 world cup for Pakistan.
Haq said selectors had tried strengthen the side's batting, which was weakened after the retirement past year of Misbah-ul-Haq and Younis Khan.
Fawad scored 168 Runs in the second innings of the second test of a three-match series against Sri Lanka, This is the second highest score on debut for Pakistan.