Manchester United v Celta Vigo - UEFA Europa League - Semi Final Second Leg [Getty Images]

MANCHESTER, ENGLAND - MAY 11: Manager Jose Mourinho of Manchester United celebrates after the UEFA Europa League, semi final second leg match, between Manchester United and Celta Vigo at Old Trafford on May 11, 2017 in Manchester, United Kingdom. (Photo by John Peters/Manchester United via Getty Images)

Manchester United John Peters