As well as the Red Devils, Chelsea are said to be considering both of the English prospects after choosing not to spend in January.
Jadon Sancho looks set to cost in advance of £100m having made his name as one of the best wingers on the planet since leaving Manchester City back in 2017, with Jude Bellingham set to go for around £30m.
Former Chelsea defender Frank Sinclair has now given his thoughts on both players, and questioned if they would be worth spending all that cash on.
Daily Star Sport understands that Manchester United are keen on securing the signing of 16-year-old Bellingham, while Sancho looks certain to leave Borussia Dortmund this summer.
Jadon Sancho’s potential move to Manchester United could be moving closer
While speaking about why Frank Lampard should think twice about splashing his funds on the duo, his comments also offered a warning to their Premier League rivals United.
He told GentingBet: “Jadon Sancho is a fantastic player and a great talent but he plays in similar positions to the likes of Callum Hudson-Odoi and Willian. There will be tough competition for places if he does join in the summer.
“Whether he is a Chelsea target, I don’t know, as Chelsea have more than enough players in those positions that can play in those wide areas or in the No10 role – they have plenty of options.
“So, I don’t think that it is a position that Chelsea are panicking over but if a player of Jadon’s ability becomes available then you have to look at it.
“There are rumours that he is Chelsea fan as well, which will help. But for me, it’s not a position that Chelsea are desperate for. Is Sancho any better than Hudson-Odoi on that left-hand side?
“When you look at the potential of both players, would you spend close to £150 million, which I’d expect would cost, to bring Jadon Sancho to this country or would you…