Making the leap from comfortable, first-team surroundings to a leading Premier League step must be a daunting process, with the pressure quickly built up on a starlet to prove he deserves star billing and a sizeable transfer fee.
Manchester United winger Wilfried Zaha is a perfect example of the testing conditions a talented youngster faces at an established Premier League, failing to convince David Moyes he deserves a first-team spot despite being a full England international.
As United continue to ponder a move for Southampton full-back Luke Shaw it's well worth examining the perils of leaving lower climbs in chase of stardom, although it's not all doom and gloom in some cases after a tough transitional period.
Here GMS profiles ten prodigies who have moved to Premier League giants at a young age and their journeys towards success or failure.
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