4. Ben Foster
Manchester United snapped up England's most promising young goalkeeper Ben Foster in 2005 with a view to eventually replacing Dutch veteran Edwin van der Sar, gradually nurtured via two seasons on loan at Watford.
Foster never established himself at Old Trafford though in five largely anonymous seasons though, making a few errors too many in 23 first-team appearances before being shipped out to Birmingham City.
The England international stopper has since settled in the Midlands with West Bromwich Albion and become a firm fixture in the Premier League, so much so that after an enforced sell away from the international scene a place in Roy Hodgson's World Cup squad now looks a strong possibility.
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