England captain Ben Stokes won the toss and opted to bowl against Pakistan in the 1st ODI at Cardiff. 

Playing XI: 

England - Philip Salt, Dawid Malan, Zak Crawley, James Vince, Ben Stokes(c), John Simpson(w), Lewis Gregory, Craig Overton, Brydon Carse, Saqib Mahmood, Matthew Parkinson

Pakistan - Imam-ul-Haq, Fakhar Zaman, Babar Azam(c), Mohammad Rizwan(w), Saud Shakeel, Sohaib Maqsood, Shadab Khan, Faheem Ashraf, Hasan Ali, Shaheen Afridi, Haris Rauf