In the third week of December, the latest transfer news from the Premier League and La Liga. Chelsea want to poach Arsenal and bring in Pierre-Emerick Aubameyang; Liverpool's two defenders want to leave in the winter window; Barcelona want to trade De Jong for older Alexis Alexis Sanchez.
Here's a look at more European transfer rumors:
Premier league
After Ralph Lonnick became United manager, the club's top brass promised to provide the German manager with ample transfer funds to support his winter window signings. At present, Rbsi's Red Bull Leipzig midfielder Amado Heidara has been included in Ronnick's acquisition list, and the 23-year-old Mali midfielder has publicly praised Ronnick recently, which makes it possible for him to join Manchester United in January next year. (German Bild)

Manchester United's city rivals Manchester City also want to strengthen the team's forward line in the winter window, and they are very interested in Borussia Dortmund's Norwegian striker Haaland, but Guardiola's team-building philosophy does not allow them to offer Haaland an annual salary contract that is satisfactory enough for him. (Manchester Evening News)
Chelsea, after Arsenal striker Pierre-Emerick Aubameyang was suspended and stripped of his captain's armband, Blues boss Tuchel said he would communicate with the Gabon striker.
Unable to adapt to the rhythm of the Premier League, Chelsea's reintroduced Lukaku from Inter this summer has recently lost his main position in the squad. Previously, he had publicly stated that he wanted to return to Serie A in the future. And Aubameyang could become Romelu Lukaku's replacement at Chelsea next year. (London Football News)
In addition, the Blues' German defender Rudiger has basically confirmed that he will leave Stamford Bridge in the summer, and La Liga giants Real Madrid are widely believed to be Rudiger's new home. (Sky Sports)
Chelsea's league-winning rivals, Liverpool, will also send off several players in January. Reds boss Klopp said the team's 24-year-old England defender Joe Gomez could leave the squad in the winter window, with the English defender looking to join Liverpool star Steven Gerrard to join Aston Villa. (Express)
In addition, Liverpool's 24-year-old England defender Nat Phillips also recently said that he is ready to leave Anfield in January next year. (Liverpool Echo)
Also looking to reinforce the defensive line are Newcastle United, with the Magpies looking to bring in 31-year-old England international defender Kieran Trippier from Atletico Madrid next January. (Football Insider)
After punishing Aubameyang, Arsenal are looking to bring in new strikers in the winter window, targeting Fiorentina's 21-year-old Serbian striker Dušan Vlahović. Vlahovic has turned down the most expensive contract extension in the club's history. However, Arsenal will face competition from Tottenham Hotspur and Manchester United. (London Sport)
For Championship teams, Middlesbrough is in talks with their club on bringing in two strikers for January, although Mibel has not yet revealed the names of those two strikers. (Football Insider)
Spanish
Despite the difficulties at Barcelona this season, club president Roberto Laporta has recently made it clear that the team will reinforce the winter transfer window, with their number one target being Borussia Dortmund's Norwegian striker Haaland. Although Barca's current financial situation is very unsatisfactory, they were able to raise funds to buy Haaland by selling their stake. (Marca Newspaper)
In addition, Barca also hope to re-sign the team's old Alexis Sanchez on loan, so they are willing to exchange the team's 31-year-old Dutch striker Luke De Jong to Inter Milan. (Spanish Sports Newspaper)