Liverpool scored the first goal in the fifth minute, Mohamed Salah assisted Nabiya Keiti, who came out alone in front of United goalkeeper David De Heu, and easily overcame him.
In the 13th minute, after a great action, the guests took the lead with 2: 0. The scorer in the fall was Diogo Zota.
Salah scored the first goal in the 38th minute, his shot at the beginning of the action was blocked, the ball came to Keita, who then assisted the Egyptian striker.
He scored two more goals by the end of the match. First, he was precise in the fifth minute of the overtime, and in the 50th minute, he scored a goal after an assist by Jordan Henderson.
He thus became the first player in the history of the Premier League to score a hat-trick at the United Stadium as a visiting player.
Cristiano Ronaldo’s goal for the home team was annulled in the 52nd minute due to offside, and the home team played with a player less from the 60th minute, after Paul Pogba received a direct red card for a foul on Keith.
In the middle of the match, a part of the United fans started leaving the stands of “Old Trafford”.
Liverpool is second on the Premier League table with 21 points, while United is seventh with 14 points.
Liverpool will meet Brighton in the next round, and United will visit Tottenham.