The Red Devils continue to be linked with a move for England and Borussia Dortmund forward Sancho, although he is valued at more than £100million.
Solskjaer could also look to bring a new centre back to Old Trafford, with former Manchester United striker Berbatov claiming that would ‘complete the squad’.
Netherlands international Donny van de Beek became United’s first signing of the summer earlier in the month but the club are exploring their options, with the window open until October 5.
‘I think Manchester United have a good squad, especially with the signing of Donny van de Beek,’ Berbatov told MailSport.
‘I think they need a centre back for sure. That completes the squad in my opinion.
‘I know they are looking to buy a forward, the first one being Jadon Sancho. It’s taking forever, I don’t know if the deal is going to happen.
‘Are they strong enough to challenge Manchester City or Liverpool? I wish that’s the case.
‘They need to challenge these two teams, it’s going to be difficult, but nobody believed they could qualify for the Champions League last season.
‘They bought Bruno Fernandes and he made a massive difference; we all saw that. Maybe if they bring in Sancho, they will repeat that scenario.
‘That would be a good signing for the team for sure.’
Asked about Manchester United’s transfer plans this week, Red Devils boss Solskjaer said: ‘
It’s been a strange time and a strange world.
Financially, I’m sure loads of clubs have suffered. It looks like it as there has not been a lot of activity in the window.
We’re always looking to improve the squad, scouting players and, if something fits, both the financial bit and the football bit, of course we’ll try to make some business.
But we can’t know how the markets and how other clubs have been affected either.‘