Timothy Fosu-Mensah, Memphis Depay and Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Manager Jose Mourinho of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Memphis Depay and Wayne Rooney of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Paul Pogba and Anthony Martial of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Timothy Fosu-Mensah and Paul Pogba of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Timothy Fosu-Mensah, Memphis Depay and Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.

Anthony Martial and Paul Pogba of Manchester United in action during a first team training session at Aon Training Complex on August 23, 2016 in Manchester, England.