The 20-year-old has also been linked with Liverpool, Tottenham, Bayern Munich, Fiorentina and Roma.
Reports claim Dortmund want £10million for the defender, but could be tempted by an £8million bid.
The 20-year-old has also been linked with Liverpool, Tottenham, Bayern Munich, Fiorentina and Roma.
Reports claim Dortmund want £10million for the defender, but could be tempted by an £8million bid.
