The Mail is reporting that the Red Devils have been keeping tabs on the 18-year-old’s development at Everton under Italian head coach Carlo Ancelotti this term.
The same article states Branthwaite has impressed Ancelotti during the teenager’s loan stint at Championship club Blackburn Rovers in the current campaign.
According to the same story, Manchester United have also indentified the 18-year-old as a promising defensive prospect during his spell on loan at Blackburn.
The Mail go on to add that the 6ft 5ins defender moved to Everton in a £1m deal from Carlisle United in the 2020 summer transfer window.