David Moyes' maiden summer as Manchester United manager has been one of frustration so far, with the Premier League champions proving fruitless in their attempts to recruit a midfielder of some repute.
Despite these frustrations, however, there have been reasons to be optimistic during pre-season, with a number of the club's young players suggesting Moyes may need not to spend big on new acquisitions before the transfer deadline.
Adnan Januzaj in particular has marked himself out not just as a player for the future, but perhaps even the present, with a number of high-quality performances during preparations for the new Premier League campaign.
While Januzaj has rightfully dominated coverage, Moyes has also enabled the likes of Jesse Lingard and Michael Keane to flourish in recent weeks, providing proof - if it was even needed - that Manchester United retain vast reserves of young talent.
With such a wide selection of players in the club's youth ranks, however, not all will be able to make the first-team grade at Old Trafford, and will instead be required to forge their professional careers elsewhere.
Sir Alex Ferguson's judgement on which kids to keep and which to cut was, usually, impeccable, but there were times when the Scot allowed potential stars slip from his grasp.
But which academy products do - or will - Manchester United regret losing the most? Here are some suggestions…
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