Sir Alex Ferguson is a man who has ever been aware that a football club must constantly move forward and improve in order to stay on top of their game. Over the years he has reinvented and reconfigured his Manchester United side to fit the needs of the modern game and maintain their supremacy in the Premier League.

But in the name of progress, some must fall by the wayside – it is the underlying law of the theory of evolution. So whom at Old Trafford needs to be moved on, for the sake of the club?

The summer transfer window is the perfect opportunity to bring in some fresh players, but also to get rid of the deadwood.

But who from the Manchester united roster should be sold for scrap in at the end of the season?

Click on Rio Ferdinand to see our five Old Trafford candidates for the transfer list 

Manchester United defender Rio Ferdinand