Chelsea and Manchester City are reportedly keeping tabs on Borussia Dortmund's teenage defender Nnamdi Collins.
The Hard Tackle looks at five youngsters who could be destined to make a breakthrough for Borussia Dortmund in the coming season.
Chelsea and Manchester City are reportedly keeping tabs on Borussia Dortmund's teenage defender Nnamdi Collins.
The Hard Tackle looks at five youngsters who could be destined to make a breakthrough for Borussia Dortmund in the coming season.