Barcelona manager Xavi Hernandez has rubbished the claims that Manchester United reported target Frenkie de Jong could be sold this summer.As per Spanish media outlet Sport, the Catalan giants are aware of the fact that Manchester United could make a move for the midfielder this summer. The Red Devils are expected to pursue their interest in the Dutchman following the appointment of Erik ten Hag as manager.Ten Hag and De Jong had a memorable association together at Ajax before the midfielder made his mega-money move to Barcelona in 2019. Ten Hag is now interested in a potential renewal with de Jong at Old Trafford next season.However, Barcelona manager Xavi has ruled out selling the Netherlands international. The Spaniard has also tipped de Jong to mark an era for the Blaugrana.Fabrizio Romano@FabrizioRomanoBarça manager Xavi shuts down rumors on Frankie de Jong leaving & Man Utd links: “Frenkie’s a very important player for me and for the club. He has to mark an era”. #FCB“I'm happy with him. If it were up to me he'll continue for many years at Barça”, Xavi says. @barcacentre176471177Barça manager Xavi shuts down rumors on Frankie de Jong leaving & Man Utd links: “Frenkie’s a very important player for me and for the club. He has to mark an era”. 🇳🇱 #FCB“I'm happy with him. If it were up to me he'll continue for many years at Barça”, Xavi says. @barcacentreDuring his press conference ahead of the game against Rayo Vallacano, the 42-year-old said, as quoted by Barca Universal:“He is a very important player for me, for the club and for the team. Due to his quality and conditions, he should mark an era at the club."Xavi has claimed that the Manchester United target has been top-notch since his arrival. The Barcelona legend has also backed 24-year-old to become one of the best midfielders in years to come. He said:“He is at a very good level since I arrived and he has to continue scoring goals, assisting, being the protagonist. He could be one of the best midfielders in the world. If it were up to me, he would continue here for many more years.”Manchester United must now look for an alternative of the Barcelona midfielderManchester United desperately need to bolster their midfield ranks and de Jong could have been the perfect signing for them. The Dutchman has previously worked under ten Hag and would have fitted seamlessly into his system.However, with the 24-year-old looking unattainable from Barcelona, they must look elsewhere now to identify alternative targets.EBL@EBL2017Ten Hag's net spend at Ajax is -£230,000,000 and he still somehow managed to rebuild & actually evolve a team by transitioning from a 4-2-3-1 into a 4-3-3. He replaced the likes of Ziyech, de Jong, van de Beek, and de Ligt with suitable profiles.He's a proven & elite rebuilder.1401121Ten Hag's net spend at Ajax is -£230,000,000 and he still somehow managed to rebuild & actually evolve a team by transitioning from a 4-2-3-1 into a 4-3-3. He replaced the likes of Ziyech, de Jong, van de Beek, and de Ligt with suitable profiles.He's a proven & elite rebuilder. https://t.co/hEDYqdlImHInterim manager Ralf Rangnick recently claimed that a massive overhaul could be on the cards at Old Trafford this summer. However, signing many players in a short span of time could prove to be an uphill task for the Red Devils.Ten Hag needs to ensure that his recruitment this summer is flawless if he has to bring the club back to their usual heights once again.