Osimhen has been consistently linked with a move to the Red Devils.
The Nigeria international is currently on loan at Turkish Super Lig champions, Galatasaray.
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There is a break-up clause in the contract which allows him to join another club this month.
Yobo believes United would be a perfect fit for the Premier League giants.
The 26-year-old has scored 13 goals in 16 matches across all competitions for Galatasaray this season.