Due to injuries in Dortmund's defense, there is speculation about the potential return of Mats Hummels to Borussia Dortmund in the winter transfer window. Trainer Nuri Sahin has not commented on the matter, but the club's management is reportedly considering the move.

There are rumors about Mats Hummels potentially returning to Borussia Dortmund. He currently plays for AS Roma, where he is not playing a significant role.