The Times newspaper make a Top 100 of Britains most powerful every year and they placed Sir Alex at the head of it saying: "He has been shaping our sporting lives for decades, to the extent that he is atop our summit, and the hard part is not establishing where his power starts but where it ends."
Roman Abramovich, Chelsea's billionaire owner, was listed at No.6 with footballer David Beckham seventh, England manager Fabio Capello eighth and Richard Scudamore, the chief executive of the Premier League, in 10th.
67-year-old Ferguson, who has been in charge of Manchester United since 1986, has won more trophies than any other manager in British football after early successes at Aberdeen. Currently United are world, European and English champions and lead the Premier League table.
Putting Sheikh Mansour at No.3 on the list, the newspaper said the impact of his riches 'has been seismic'. His investment in Manchester City, who reportedly made an unsuccessful bid of more than 100 million pounds (S$207 million) for AC Milan's Kaka last week, has turned the long under-achieving club into the richest in the world.