Chelsea have made the biggest splash with the signing of Borussia Dortmund's Christian Pulisic and look set to be active again before the window. There will be outgoings too, however, with Cesc Fabregas already gone and the future of Callum Hudson-Odoi firmly up in the air. Arsenal too are looking for reinforcements but will be restricted to loan deals. Will Barcelona's Denis Suarez make the move?
Bayern Munich want to take head of recruitment Sven Mislintat back to Germany, and feel they can do a deal before the end of the season.
The 46-year-old is credited with having created one of the most sophisticated talent-spotting operations in world football at Borussia Dortmund, and was part of a grand plan to do similar at Arsenal on being appointed just a year ago, but Bayern believe that he would already be open to leaving.
Clinton N'Jie could be on his way back to the Premier League.
Fulham are said to have joined Burnley, Cardiff and Newcastle in trying to sign Marseille's former Tottenham winger this month according to the Daily Mail.
Meanwhile, United could finally land long-term reported target Ivan Perisic as Inter Milan look to raise money to fund a move for Luka Modric, The Sun reports.
The paper says a report in the Italian media indicates the Nerazzurri may look to sell Perisic in order to bring his Croatia team-mate Modric to Italy.
Ander Herrera appears set to sign a new deal at Manchester United, The Sun claims.
Despite interest from former club Athletic Bilbao, the 29-year-old is ready to commit himself to United after Ole Gunnar Solskjaer insisted he had a future with them.
Jadon Sancho has no interest in a return to the Premier League and is loving life in Germany.
The former Manchester City youngster and England international has been linked with a move back - but he's more than happy where he is.
Asked by reporters if he plans to stay in the Bundesliga, Sancho said: "I will. I just want to play football and I'm getting that opportunity here. I'm happy right now."
Some big news from Liverpool where Trent Alexander-Arnold is out for four weeks with a knee injury in a damaging blow to their Premier League title hopes.
The England international will be out for around a month and will be joined on the sidelines by Georginio Wijnaldum who also has a knee problem and is a doubt for the game with Crystal Palace this weekend.
The Reds now face a selection crisis at right-back after they allowed Nathaniel Clyne to head to Bournemouth on loan.
The league leaders will now have to lean on a combination of youngsters Curtis Jones, Rafa Camacho and Ki-Jana Hoever to fill in for the injured Alexander-Arnold.
