Celta Vigo v Manchester United - Uefa Europa League - Semi Final First leg [Getty Images]

VIGO, SPAIN - MAY 04: Head coach Jose Mourinho of Manchester United looks on prior to the start the Uefa Europa League, semi final first leg match, between Real Club Celta De Vigo and Manchester United FC at Estadio Balaidos on May 4, 2017 in Vigo, Spain. (Photo by Juan Manuel Serrano Arce/Getty Images)

Getty Images Sport Juan Manuel Serrano Arce