Chelsea set aside £87m to fix squad weaknesses in January: Ligue 1 trio wanted, including Arsenal & Man Utd targets

2) Marquinhos (Paris Saint-Germain)

Another option in defence is Paris Saint-Germain starlet Marquinhos, who is widely regarded as one of the best young players in the world in his position and who would probably cost £40m or slightly more, with Manchester United also monitoring his situation.