Matthäus warns Dortmund, Stuttgart about potential Nmecha and Undav exits

Lothar Matthäus cautions VfB Stuttgart and Borussia Dortmund that they may struggle to retain players Deniz Undav and Felix Nmecha, respectively, if the duo continue their strong performances at the World Cup. Both players recently signed long-term contracts, but Matthäus suggests significant interest from other clubs could arise. He highlights the potential for nine-figure transfer fees, recalling Borussia Dortmund's loss of Jude Bellingham to Real Madrid for over €100 million after the last World Cup. Matthäus underlines the coaches' intentions to build successful teams, noting that the loss of key players would complicate those plans.

• 12:12 PMYahoo Sports — Matthäus: World Cup form could leave Dortmund and Stuttgart powerless to keep Nmecha and Undav