Perhaps no club in the world is more famed for its production of homegrown talent than Manchester United.
From the Busby Babes to the Class of 92 - fantastic teams have been built on players who have come up through the ranks at Old Trafford.
But success at United has also been built on their ability to exploit the transfer market. Even Sir Matt Busby signed the best striker of his day in Tommy Taylor from Barnsley to spearhead his Babes.
Sir Alex Ferguson repeatedly broke transfer records to sign the very best - from Roy Keane to Rio Ferdinand.
The bar to entry is extremely high to make the top 10 of all time - so who were the best of the best?
Article continues below
