Who has managed both Chelsea F.C. and Manchester United?
José Mourinho José Mário dos Santos Mourinho Félix, (born 26 January 1963), known as José Mourinho (] ), is a Portuguese football manager and former football player. He is the manager of Premier League club Manchester United.
Jack Charlton John Charlton, OBE, DL (born 8 May 1935) is an English former footballer and manager who played as a defender. He was part of the England team that won the 1966 World Cup. He is the elder brother of former Manchester United forward Bobby Charlton, who was also a teammate in England's World Cup final victory. He spent his entire club career with Leeds United from 1950 to 1973, helping the club to the Second Division title (1963–64), First Division title (1968–69), FA Cup (1972), League Cup (1968), Charity Shield (1969), Inter-Cities Fairs Cup (1968 and 1971), as well as one other promotion from the Second Division (1955–56) and five second-place finishes in the First Division, two FA Cup final defeats and one Inter-Cities Fairs Cup final defeat. His 629 league and 762 total competitive appearances are club records. In 2006, Leeds United supporters voted Charlton into the club's greatest ever XI.