For a while, it had looked like Chelsea were certain to sign a centre-back this winter. But he is seemingly wanted by Real Madrid as well. Chelsea want Brazilian centre-back after struggling to sign Jeremy JacquetNatan is 24 years of age and already has a decent bit of experience under his belt. This is not the first time that Chelsea are being linked with a player from La Liga in this window. Those from Real Madrid, Barcelona and Atletico Madrid have also been on their radar if reports coming out of Spain are on the mark.