#6 Kalidou Koulibaly
The 27-year-old Senegalese international has been one of the best defenders in European football for quite some time.
Playing for Napoli in Serie A, Koulibaly averages more than two tackles per game throughout his professional career. A physically strong defender with great aerial abilities, Koulibaly is also a good passer with an accuracy of almost 89% this season. He is under the radar of top European clubs and could make his move this summer.
#5 Marquinhos
A key player in Tuchel's PSG squad, Marquinhos is becoming one of the elite centre-backs in European football. He is unusually quick for a defender and also possesses exceptional technical skills.
A complete defender, Marquinhos is known for his passing abilities, composure, and anticipation. The Brazilian international averages 2.1 tackles and 1.4 interceptions per game in Ligue 1 this season. He has also chipped in with 4 goals and an assist this campaign.