The duo of Napoli’s Kalidou Koulibaly and Inter Milan’s Milan Skriniar are said to be the two centre-backs on the clubs’ radar.
Koulibaly has in the past weeks been on United’s defensive list in which his club Napoli has placed a £70 million tag on him.
Also, the club is seeking a partnership for captain Harry Maguire hoping Skriniar could fit in.
On the other hand, City’s boss, Pep Guardiola needs some high level of defensive upgrade and the duo could perfectly fit into his plans.
While Sergio Aguero, who is out of play for the rest of the season is believed to be wanted by Inter and Skriniar could be part of a potential swap deal for the Argentine.