The Dutch defender only made 18 first team appearances for the Reds after arriving from Villarreal at the start of the year in a deal which saw former defender Josemi moving in the opposite direction.
He made his debut as a substitute in the epic 5-3 win over Luton in January and will leave with an FA Cup winners medal to show for his efforts after being named on the bench for last season's final against West Ham.
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Good luck Jan. We'll see you back at anfield playing for PSV in a few weeks
