Real Madrid are reportedly monitoring Chelsea's Antonio Rudiger, with a view to signing him as a free agent in the summer.
Rudiger's contract with the Blues is set to expire at the end of the season, meaning he is free to sign a pre-contract agreement with another European club as early as January.
Real Madrid have been heavily reliant on David Alaba and Eder Militao so far this season. They are therefore looking to strengthen in that area of the pitch and Rudiger has been identified as a good fit.