Liverpool thumped Manchester United 5-0 at Old Trafford on Sunday night - and the Reds faithful loved Andy Robertson's ruthless demand during the game.Jurgen Klopp's men battered their bitter rivals from pillar to post, storming into a resounding 4-0 lead inside the first half.Naby Keita and Diogo Jota put them 2-0 ahead, before Mohamed Salah stole the show by firing in a hat-trick - which he completed after the interval to seal the five-goal rout.After the Egyptian netted Liverpool's fifth goal of the game, Robertson could be seen urging his team-mates to "keep going" and "be ruthless" despite the heavy scoreline.Kop fans quickly took to Twitter to wax lyrical about the order, insisting it speaks volumes about his mentality.One wrote:.
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