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Manchester United's Portuguese manager Jose Mourinho (R) watches as Manchester United's Belgian midfielder Marouane Fellaini (C) takes part in a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Manchester United's Portuguese manager Jose Mourinho (R) watches as Manchester United's Belgian midfielder Marouane Fellaini (C) takes part in a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht.  / AFP PHOTO / Paul ELLIS        (Photo credit should read PAUL ELLIS/AFP via Getty Images)

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Manchester United's Portuguese manager Jose Mourinho (R) arrives to take a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Manchester United's Portuguese manager Jose Mourinho (R) arrives to take a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht.  / AFP PHOTO / Paul ELLIS        (Photo credit should read PAUL ELLIS/AFP via Getty Images)

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Manchester United's Argentinian defender Marcos Rojo (L) laughes as Manchester United's Swedish striker Zlatan Ibrahimovic (C) attempts to wear a vest during a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Manchester United's Argentinian defender Marcos Rojo (L) laughes as Manchester United's Swedish striker Zlatan Ibrahimovic (C) attempts to wear a vest during a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht.  / AFP PHOTO / Paul ELLIS        (Photo credit should read PAUL ELLIS/AFP via Getty Images)

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Manchester United's English striker Wayne Rooney (C) takes part in a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images)

Manchester United's English striker Wayne Rooney (C) takes part in a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht.  / AFP PHOTO / Paul ELLIS        (Photo credit should read PAUL ELLIS/AFP/Getty Images)

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Manchester United's Spanish midfielder Ander Herrera (L), Manchester United's Argentinian defender Marcos Rojo (2L), Manchester United's English midfielder Jesse Lingard (C), Manchester United's English striker Marcus Rashford (3R), Manchester United's English midfielder Ashley Young (2R) and teammates arrive for a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht. / AFP PHOTO / Paul ELLIS (Photo credit should read PAUL ELLIS/AFP via Getty Images)

Manchester United's Spanish midfielder Ander Herrera (L), Manchester United's Argentinian defender Marcos Rojo (2L), Manchester United's English midfielder Jesse Lingard (C), Manchester United's English striker Marcus Rashford (3R), Manchester United's English midfielder Ashley Young (2R) and teammates arrive for a team training session at their Carrington base in Manchester, north west England, on April 12, 2017, on the eve of their UEFA Europa League quarter-final football match against Anderlecht.  / AFP PHOTO / Paul ELLIS        (Photo credit should read PAUL ELLIS/AFP via Getty Images)