Since its introduction, the loan market has helped players get game time that they otherwise wouldn't do at their parent club.
Some players thrive so well away from their club that it sometimes leaves fans wondering why they were ever allowed to leave in the first place.
In the case of these five players, they have certainly showed the managers of their clubs that they had plenty to offer the team and didn't need to be sent out of loan.
And in some cases, the managers are left counting down the days until the player returns.
We take a look at the five best performing loan players that Premier League clubs have let go this season.
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