Chelsea are reported to have made enquiries for Real Betis’s highly-rated young defender Juan Alberto Andeu Alvarado, known simply as Melli.

The 20-year-old Êis regarded by many as the best young defensive prospect in Spain, and recently captained their Under-20 side who finished runners-upÊin the World Youth championships.

Melli made his first team debut last season and is now an extablished first team regular.