Manchester United are being linked with Borussia Dortmund midfielder Marco Reus.
Don Balon says United and Atletico are chasing the Germany international for the summer market.
It's suggested United boss Jose Mourinho sees Reus as a replacement for departing captain Wayne Rooney.
Atletico, meanwhile, want the midfielder in the event they lose Yannick Carrasco.
BVB are desperate not to lose Reus, though it's said he has told friends he feels ready to test himself abroad.