Real Madrid midfielder Rafa Marin is interesting Chelsea.
The 20 year-old prospect is a regular for Raul's Castilla, impressing in the Tercera Division.
The Telegraph says Chelsea are keen on Marin, though any move for the youngster won't happen until the summer.
Marin has a deal with Real to 2024 and is also interesting Juventus and RB Leipzig.
Real Madrid hope to raise €11m from Marin's sale.