Borussia Dortmund midfielder Kevin Grosskreutz is being tracked by Manchester United.
The 22 year-old is already a Germany international and carries a price-tag of €20 million.
BILD says United scouts have been spotted at BVB games in recent weeks to run the rule over attacker Mario Gotze.
However, it's emerged Grosskreutz is also under consideration.
The midfielder recently penned a new deal to keep him in Dortmund until 2014.
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