That’s according to football finance expert Kieran Maguire.
The Chilean joined the Red Devils in January, earning one of highest salaries in the Premier League.
But with only four goals for the club, the 30-year-old has failed to impress fans.
This has sparked rumours Sanchez will return to his old club Arsenal.
And the football finance expert believes a player who is not happy in north London will go the other way – Mesut Ozil.
The German is reportedly set for showdown talks with the Gunners as his relationship with Unai Emery is under strain.
Speaking exclusive to Velox SportsTV, Kieran said: “They’re both around the same age and they’ve both signed huge contracts.
“So I don’t think it would be obscene to see them going in opposite directions.
“I think the issue is both clubs will end up with a player who has not performed at their best this season.
And the football finance expert suggests the United forward would be keen to go.
“Would Sanchez be willing to go to London? I think he would”
“Would Sanchez be willing to go to London? I think he would,” Kieran added.
“I don’t think he’s necessarily settled in Manchester and would want a fresh challenge.
“And I think Ozil would be as he doesn’t appear to be Emery’s favourite, so he may also feel a new challenge would be for him.”
But other reports have suggested Sanchez is wanted by two La Liga teams.