Amorim would like United to build up with a genuine three at the back, rather than the four it has been when protection is the first priority. At Anfield, United took the lead because Martinez sensed a moment to press high, snapping into Mohamed Salah to win the ball and then stay up to receive Fernandes’ slipped pass.

Manchester United are reportedly interested in signing Liverpool striker Darwin Núñez. The Uruguayan forward has struggled to find consistent form at Anfield since his high-profile move from Benfica and could be on the move this summer.

Man United's players started to arrive at Old Trafford at around 4pm ahead of Thursday night's Premier League clash with Southampton.