Amid their defensive crisis, The Athletic now reports that Real have prepared a shortlist of four centre-backs for the upcoming January transfer window to bolster their backline. The first name on the list is Palmerias sensation Vitor Reis, who is also wanted by Premier League giants Chelsea and Arsenal. They are also keeping an eye on Bundesliga defenders Jonathan Tah of Bayer Leverkusen and RB Leipzig's Castello Lukeba. The final name in their shortlist is Al-Nassr and former Manchester City star Aymeric Laporte.