The 24-year-old is thought to want to leave the Nou Camp on a permanent basis due to his limited role in the first team.
Barcelona's transfer embargo will be lifted in January and the club still remain likely to sign the youngster, however Pogba's agent claims he hasn't yet made a decision and could even stay another season at Juventus.
Tielemans could end up having to choose between joining fellow Belgians Vincent Kompany and Kevin De Bruyne at City or Marouane Fellaini and Adnan Januzaj (when he returns from his loan spell with Borussia Dortmund) at United.
Although last week Roma's sporting director inisisted Strootman was not for sale, Louis Van Gaal will try to throw Juan Mata into the deal to tempt the Italian giants.
Mata could initially join Roma on loan with a view to a permanent deal.
Johnson's contract is set to run out in the summer so Juve may look to pounce in January to secure the defender for a small fee as Liverpool would otherwise have to lose the England full-back for nothing in the Summer.
