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MANCHESTER, ENGLAND - JULY 28: (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - JULY 28:  (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England.  (Photo by Matthew Peters/Manchester United via Getty Images)

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MANCHESTER, ENGLAND - JULY 28: (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - JULY 28:  (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England.  (Photo by Matthew Peters/Manchester United via Getty Images)

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MANCHESTER, ENGLAND - JULY 28: (EXCLUSIVE COVERAGE) Phil Jones and Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England. (Photo by John Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - JULY 28:  (EXCLUSIVE COVERAGE) Phil Jones and Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England.  (Photo by John Peters/Manchester United via Getty Images)

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MANCHESTER, ENGLAND - JULY 28: (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - JULY 28:  (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England.  (Photo by Matthew Peters/Manchester United via Getty Images)

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MANCHESTER, ENGLAND - JULY 28: (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

MANCHESTER, ENGLAND - JULY 28:  (EXCLUSIVE COVERAGE) Zlatan Ibrahimovic and Eric Bailly of Manchester United in action during a first team training session at Aon Training Complex on July 28, 2016 in Manchester, England.  (Photo by Matthew Peters/Manchester United via Getty Images)