#5 Toby Alderweireld (Tottenham Hotspur)
Toby Alderweireld has been one of the best centre-backs in England. However, at the beginning of the last season, he got an injury which sidelined him for almost 5 months.
After that injury, he had problems to recover his place in the starting lineup as Tottenham have so much quality centre-backs. With the start of this season, he managed to recover his place in Mauricio Pochettino's starting XI and now he plays in the best way he knows.
However, his future at this club isn't solved yet because his current contract expires at the end of this season. Thus far, that makes him available for negotiating with other clubs over signing a pre-contract. When he is in form, he is one of the best centre-backs in the world and any manager would love to have him in the squad.