could be looking to pull off a shock move for the former talisman of their bitter rivals, and bring Philippe Coutinho to Old Trafford.
international has been left out of the starting XI in each of Barcelona's last four league matches, and is believed to be growing increasingly unhappy with his marginalised role.
Seeking an opportunity, United have made their interest known to the player's representatives should he seek a move, according to reports in Spain
United have 'contacted the agents of the football player to ask about their situation and make them see that they would be very interested in trying to undertake their signing,' report Catalan-based press Mundo Deportivo
It is only a year since Coutinho sealed his mega-money switch to Barcelona, to become the club's most expensive ever signing and the most costly in La Liga history.
The Spanish giants parted with £145million to prise Coutinho away from Anfield
, in the same season the Reds went on to reach the Champions League final.
PHILIPPE COUTINHO STATS FOR SEASON
Coutinho is willing to wait out the current troublesome spell, the report adds, and will not look to give up his dream of becoming a Barca success story just yet.
Family ties also play a role in the situation, with Coutinho and his partner Aine recently welcoming their second daughter into the world in Barcelona.
The pair are also said to be enjoying living in Castelldefels.
Coutinho instantly won silverware upon his move last season, joining up with a Barca side who were well in front in the race for the La Liga title.
This time around they again top the table, sitting five points clear of Atletico Madrid at the summit after 18 matches played.