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 head coach Ruben Amorim has made three changes to his starting line-up for Thursday night's Premier League clash with Southampton.

Harry Maguire is an injury doubt ahead of Manchester United's clash with Southampton in the Premier League on Thursday night. Ruben Amorim will hope to see his side build upon their recent performances against Liverpool and Arsenal but admits he will learn more about his side when they host the side bottom of the league.