All came from a moment of hesitation from Rodri, as Liverpool remain dangerous on the break.
A DREAM START FOR LIVERPOOL! He flew in from Washington D.
Keita was booked earlier for a mistimed challenge that saw him step on Lingard.
Liverpool's fourth for UK: GOAL!! Subs: Pogba 2 , Dalot 5 , Cavani 5 Liverpool: Alisson 6 , Alexander-Arnold 7 , Konate 7 , Van Dijk 8 , Robertson 7 , Keita 9 , Henderson 8 , Milner 6 , Salah 9 , Firmino 7 , Jota 8.
For each goal it felt unreasonable to blame Shaw, who had no choice but to deal with the problems on his inside shoulder.
Manchester United were woeful.