Borussia Dortmund general manager Hans-Joachim Watzke suggests that Robert Lewandowski will remain with the club until his contract expires.

The Polish striker has emerged as a transfer target for Manchester United over the past six months or so but Watzke insists he will stay with the German champions until the summer of 2014 if a decent offer is not lodged.

"Either we get a good offer in a timely manner or Robert plays until 2014 for us," he told Sport 1.

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