On the first day of 2022, the winter transfer market in Europe officially opened. At present, a number of clubs have signed their favorite players. Premier League relegation team Watford have officially brought in two players; Everton have received an updated offer from Barca about Coutinho; Newcastle have sought Arsenal striker Barmeyang; Haaland has revealed where he is going next summer and he will head to La Liga to develop.
Premier league
Arsenal were among the most invested Premier League clubs in the transfer market this summer. Still, manager Arteta is hoping to reinforce the team's midfield in the winter window. The Gunners have targeted Aston Villa's 23-year-old Brazilian midfielder Douglas Luiz. (The Sun)

While Arsenal's Gabon striker Pierre Aubameyang has also confirmed leaving in the winter window, the Gunners' latest offer is from Newcastle, and the Magpies hope to be able to loan Aubameyang until the end of the season. (Mirror)
Newcastle also offered Portuguese Side Benfica an offer for £50 million to bring in the team's 22-year-old Uruguayan striker Darwin Nunez. (Metro Newspaper)
According to the latest news, Newcastle clubs have confirmed that La Liga side Atletico Madrid 31-year-old England defender Kieran Trippier will officially join the team in the coming days. (The Times)
And according to Italian transfer expert Fabio Romano, if there is a chance for long-term player investment, Reds Liverpool will sign a new striker in the winter window. (Anfield)
For United, the Red Devils' 24-year-old England defender Axel Tuanzebe will join Serie A side Napoli on loan in the winter window, meaning Tuanzebe's loan spell at Aston Villa will end early. (Manchester Evening News)
In addition, Villa's 26-year-old Dutch winger Anwar Elgazi is likely to join West Ham United in the winter window. (Football Insider)
For their part, Everton, according to the latest news, Toffee has received an offer from Barcelona about their introduction of Philippe Coutinho. At the same time, Benitez is also interested in bringing in 20-year-old Scottish right-back Nathan Patterson, a Rangers team in the Soviet Premier League. (The Post)
Lester City of the Blue Foxes are interested in bringing in Portuguese Premier League side Vittoria Guimarães, 23, in the winter window ghanaian defender Abdel-Mumming. (The Post)
Watford, who have been mired in relegation this season, will make several player trades in the winter window, and they have signed 27-year-old Ivorian defender Hassan Kamala of Ligue 1 and Congolese midfielder Edo Kayembe, 23, of Europa League. Watford paid a transfer fee of £4m each to both clubs. (London Sport)
Bundesliga
Dortmund's 21-year-old Norwegian striker Haaland recently said he would play in La Liga in the future, and recently Real Madrid and Barca, the two giants of La Liga, have recently had a scandal with Haaland. (Aspen Newspaper)
Ligue 1
Paris Saint-Germain's 28-year-old Argentine striker Mauro Icardi will leave the winter window to join Serie A giants Juventus on loan. In addition, Juventus also received Icardi's pre-emptive right at the end of the season. (Italian transfer market)