Manchester City boss Pep Guardiola is seeking to bring Stefan Savic back to the club.
The Manchester Evening News says Guardiola is in the market for two new centre-halves - with former City defender Savic on his radar.
Atletico Madrid are said to be ready to sell Savić if a good bid is received.
The 29-year-old impressed for Atletico in their stunning defeat of Liverpool in the Champions League round of 16.
Savic has a deal with Atletico to 2022.