Gerard Pique is confident his Barcelona teammate Samuel Umtiti will remain at the club despite interest from the Manchester clubs.
Sessegnon, 17, signed his first professional contract with Fulham last June, with Liverpool, United and Tottenham all reported to be interested in signing him.
Mitchell, 21, is expected to make his Hearts debut against Hibernian in the Scottish Cup later this month.
Manchester United striker James Wilson and Wolves midfielder Lee Evans have both moved to Bramall Lane as Sheffield United quickly build on their deal for Southend's Ryan Leonard.
Lukaku attracted bids from both Chelsea and United last summer, with the Belgium striker eventually opting to join Jose Mourinho's side in a £75m deal in July.
Andreas Pereira has reiterated that he wants to "stay" at Valencia for the remaining of the campaign rather than returning to Manchester United.
Serie A leaders are worried that Mertens, 30, could attract bids in the summer due to his relatively low release clause of €28m.
Steve Nicol does not expect to see Gareth Bale leave Real Madrid for Manchester United, especially under Jose Mourinho.
Marouane Fellaini's contract at Manchester United will run down in the summer. The midfielder has already revealed he has turned down the first offer from the Red Devils.
Jose Mourinho is keen to sign Lucas Moura from PSG in January, but Manchester United are yet to make an offer for the winger.
Aliou Traore, who left Paris Saint-Germain in August 2016, spent the last term with amateur side Sarcelles. He was invited by Manchester United for trials.
A product of Roma's academy, Pellegrini spent two seasons at Sassuolo before returning to the Giallorossi in a £9m transfer in the summer.
Marouane Fellaini is in the final six-months of his contract with Manchester United and is looking for a new challenge.
Manchester United will approach the Scotland international if Tottenham refuse to lower their asking price for Danny Rose, according to reports.
Antoine Griezmann is likely to leave Atletico Madrid in the summer with Manchester United and Barcelona keen on the Frenchman.
Griezmann, 26, wants £400,000 a week to reject interest from Barcelona and join United in the summer.
The Glazer family have given Mourinho a transfer war chest of £80m in January, according to reports.
Sporting director Giuseppe Marotta says he has not put a price tag on Dybala, who has also been linked with 12-time European champions Real Madrid.
Juventus CEO Giuseppe Marotta has confirmed that they will not stand in the way of any player who wants to leave the club, with Manchester United and Chelsea keen on Sandro.
Manchester United have identified Celtic's Tierney and Fulham's Sessegnon as alternatives to primanry left-back targets Rose and Sandro.
Jose Mourinho is keen to sign Paris Saint-Germain midfielder Lucas Moura, who has struggled for game time this season.
Manchester United manager Jose Mourinho's contract at Old Trafford will run down at 2019, with an option to further extend it by a year.