There's not much to say about Sir Alex Ferguson that hasn't already been covered.

His reputation as a manager was unrivalled and his legacy at Manchester United is one that will almost certainly stand the test of time. 

So from where did Fergie get his accolades? His development of youth was fabled and products such as David Beckham, Ryan Giggs and Paul Scholes were all United-born and raised. 

However he was also more often than not incredibly astute in the transfer window, with the majority of buys proving their worth time and time again.

With David Moyes so far floundering when it comes to spending the Red Devils' money wisely, we take a look at the top five buys that can be attributed to Sir Alex...

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