Alex Ferguson is to retire as Manchester United manager according to the English Premier League club.
Ferguson has been at United since November 1986 and is the most successful manager in the history of English football.
In his 26-and-a-half-year reign, he has led the club from the English northwest to 13 Premier League titles, five FA Cups, four League Cups, and two Champions League titles, as well as a host of other honours.
United claimed an unprecedented 20th English league title last month, having narrowly lost out to local rivals Manchester City the previous season. Advertisement
During Ferguson's tenure, United has become one of the most famous teams in world sport, with American business magazine Forbes recently reporting that they are worth $US3.17 billion ($A3.13 billion) ( 2.42 billion euros ($A3.13 billion) ).