Chelsea are eyeing Athletic Bilbao defender Aitor Paredes.
The Sun says Chelsea have approached Athletic about a price for Paredes.
However, Athletic are reluctant to part with the homespun product.
Chelsea scouts have watched Paredes seven times this season and Blues management appreciate his ability to play the ball out from the back.
Chelsea reps saw Paredes star and score in victory at Sevilla in midweek.
