The winger fell out of favor with manager Erik ten Hag, prompting a loan move to Borussia Dortmund last season.
Even though he is back in the first team squad and training with the group, he does want to leave the club.
Per , United and Chelsea are now talking about a deal that could involve other players.
Sancho may go on loan to Chelsea or the deal may even be a permanent one.
Juventus in Italy are also said to be interested, but are not as keen on signing him permanently.