Excitement over a new signing can quickly turn to disappointment when the player hits the ground trudging. There have been countless examples of footballers failing to adjust to the Premier League, whether they have come from abroad or a lower rung on the English pyramid.
Patience is a virtue, though, and there have been times that a player has bounced back from a slow start to their Premier League career.
Current stars such as Fred at Manchester United and Liverpool midfielder Fabinho have turned things around after initially struggling to adapt after big-money moves.
And they follow in the footsteps of plenty of stars who took time to develop at the likes of Arsenal, Chelsea and other top clubs.
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