Barcelona are following with keen interest the progress of Werder Bremen midfielder Marko Marin.

Barca have kept tabs on Marin's development since he was a junior coming through the system at Borussia Mönchengladbach.

The Germany international is now making his mark with Werder, where he is already catching the eye in the Champions League.

Barca may bring forward plans to sign Marin amid rival interest emerging this week from Liverpool.

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