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.

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

Manchester United winger Alejandro Garnacho has been the subject of speculation about a move away from Old Trafford during the current transfer window after reports in Italy claimed his representatives have met with Napoli.