Sean Longstaff spent loan periods at English League One club Blackpool and Scottish Premiership side Kilmarnock.
A number of midfielders have been linked with a switch to Old Trafford to plug the hole in the middle of the park and Newcastle United's Sean Longstaff has emerged as one of the Red Devils' targets.
Manchester United may be eager to make a bargain deal for the player but the Magpies look certain to hold out on bigger fee in the range of £50 million or so.More news: Soccer star Allie Long says her LA hotel room was burglarized
Now though, Longstaff has returned to pre-season training fitter than ever.
United are also struggling to agree a fee with Leicester for Harry Maguire and manager Ole Gunnar Solskjaer warned on the club's tour of Australia that they will not pay over the odds for players.
Manchester United have started negotiations with Roma over the sale of 26-year-old Belgium striker Romelu Lukaku.
According to Sky Sports, Longstaff wants the chance to speak to United to discuss a potential move.More news: Novak Djokovic downs Roberto Bautista Agut to reach final — ATP Wimbledon
It's understood that Newcastle have based their asking price on United's £50m purchase of Aaron Wan-Bissaka from Crystal Palace, even though Longstaff only made his Premier League debut in December and has a total of 16 appearances for the club.
However, they have been left stunned by Newcastle United's valuation of their academy product.
Manchester United are in the market to sign a centre-half after they conceded more goals than Liverpool FC and Manchester City combined last season.
Longstaff is contracted with Newcastle United till 2022, having signed a new deal in December past year.More news: Azpilicueta happy to have 'special' Lampard back at Chelsea