Pakistan kept losing wickets at regular interval after Perera and Sangakkara took Pakistan to 211 in the 2nd T20I in Dubai.
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Pakistan are going in with an unchanged squad while Sri Lanka have given a chance to Seekkuge Prasanna in place of Ajantha Mendis.
Pakistan edged out Sri Lanka by three wickets in a thrilling last-over finish in the first match on Wednesday.
Pakistan: Ahmed Shehzad, Sharjeel Khan, Mohammad Hafeez, Sohaib Maqsood, Umar Amin, Umar Akmal, Shahid Afridi, Bilawal Bhatti, Sohail Tanvir, Saeed Ajmal, Usman Khan.
Sri Lanka: TM Dilshan, MDKJ Perera, KC Sangakkara, LD Chandimal, AD Mathews, HDRL Thirimanne, NLTC Perera, KMDN Kulasekara, SMSM Senanayake, SL Malinga, S Prasanna.