Manchester United have made an approach for Juventus left-back Alex Sandro and Barcelona centre-back Samuel Umtiti, according to The Times.
Jose Mourinho is planning a major defensive overhaul in the summer and believes the club's lack of defensive options has held them back in 2017-18.
The Portuguese is hoping to sign the 27-year-old Brazilian and 24-year-old Frenchman as part of that overhaul.
Rabiot fuels transfer talk
Adrien Rabiot has increased speculation surrounding a possible transfer by refusing to commit his future to Paris Saint-Germain.
The 22-year-old midfielder has been linked with Manchester United and Barcelona amid another strong campaign with the Ligue 1 leaders.
Read what Rabiot said about his future right here!
The Portuguese is hoping to sign the 27-year-old Brazilian and 24-year-old Frenchman as part of that overhaul.