Borussia Dortmund have expressed interest in re-signing Manchester United midfielder Shinji Kagawa. Kagawa only moved to United last summer from BVB.

Noting the attacking midfielder's misgivings over his low-key first season at Old Trafford, Dortmund chief executive Hans-Joachim Watzke said: "The door is always open for Shinji at this club, though it is not an issue at the moment."

His agent Thomas Kroth stopped short of ruling out a return to last season's Champions' League finalists, saying: "At the moment, he will stay in Manchester. But in football, nothing is excluded."