Dutch defender is training alone after informing Saints of his desire to leave the club.
Paris Saint-Germain are reportedly ready to meet his £199m release clause.
Italy Under-21 international was said to be one of Jose Mourinho's alternatives to Ivan Perisic.
United boss Jose Mourinho said over the weekend that a move for Bale would be 'impossible'.
The Arsenal boss is adamant the Chile international won't be sold this summer.
Reds have had 3 bids for Keita rejected by the Bundesliga side.
Vardy was close to an Arsenal move, but opted to extend his contract last summer.
Mourinho says Martial is 'training better than before' and 'working harder' at United.
Morata joined Chelsea last week from Real Madrid in a big money move.
Chelsea may face an ban in China over the Brazilian defender's offensive posts.
Reports suggest both clubs have until 11 August to do business.
The Germany international is out of contract next summer.
United have so far refused to meet Inter's £49m valuation of the Croatia winger.
The United boss would not reveal the latest on moves for Eric Dier and Nemanja Matic.
Richarlison has been linked with a lot of clubs across Europe.
Alvaro Morata's move to Chelsea leaves Zinedine Zidane needing another option.
Coutinho scored the winner for the Reds in a pre-season fixture against Leicester City.
The Brazilian defender becomes Pep Guardiola's fourth summer signing.
Oxlade-Chamberlain has one year left on his contract and is yet to agree on a new Gunners deal.
De Gea has been linked with a move to Real Madrid throughout the last few summer windows.
Conte has signed a new two-year contract.
Verratti has also been heavily linked with Barcelona.
Reports suggest the French giants have targeted the Gunners forward and Neymar.
The 20-year-old winger impressed after replacing the injured Pedro.
Jose Mourinho's side now confident of signing the Chelsea midfielder for £50m.
The 36-year-old midfielder replaced Wayne Rooney as skipper this summer.
Chelsea have spent around £132m this summer to sign three players - Rudiger, Bakayoko and Morata.
Paris Saint-Germain are prepared to meet Neymar's €222m release clause.
Serge Aurier has spent three seasons at PSG.
United beat Manchester City 2-0 in a glorified friendly in USA.