Sir Alex Ferguson’s Best Signings For Manchester United
5. Roy Keane: £3.75m from Nottingham Forest
Roy Keane is one of the Top 10 Sir Alex Fergusons’s Best Signings, The central midfielder who was signed from Nottingham Forest in 1993 proved to be worth every penny Sir Alex spent on him during his stay at the club from 1993-2005 he also helped Manchester United win trophies he was also part of the team that won the treble in 1999. Roy Keane left Manchester United in 2005 to join Celtic a year later he retired from professional football.