Liverpool were the summer's biggest spenders with no fewer than four new arrivals. Goalkeeper Alisson was the headline-grabber with the Brazilian already proving worth every penny of the world-record fee the Reds shelled out for the Brazilian. Could long-term target Nabil Fekir join him next month? United got a couple of new faces in through the door in the summer but it hasn't made a difference with Jose Mourinho out and Ole Gunnar Solskjaer in. Will he spend them out of trouble in the January sales?
Chelsea have made the biggest splash with the signing of Borussia Dortmund's Christian Pulisic while Manchester City, Tottenham and Arsenal could all choose to dip their toes in the water as they battle for an all-important top four spot. We will have all the latest news, views, rumours, gossip and done deals right here so don't touch that dial.
Atletico Madrid have announced the loan signing of Chelsea forward Alvaro Morata, with the Spain international agreeing a deal to return to his childhood for not just the rest of the season, but the entirety of next season too.
The forward has fallen out of favour under Maurizio Sarri and the acquisition of Gonzalo Higuain last week gave Morata the green light to leave the club, and while the deal with Atletico is only an 18-month loan, the Liga club have the option to sign Morata on a permanent deal at any time for £48.5m.
First Jadon Sancho, then Callum Hudson-Odio, now Rabbi Matondo?
The Manchester City youngster is on the verge of a move to Bundesliga side Schalke as the German interest in the Premier League's youth reserves continues.
The 18-year-old, who was born in Liverpool but has chosen to play for Wales, is on the verge of an £11.3m exit from Manchester City - the same club who lost Jadon Sancho to Borussia Dortmund a few years ago against their will.
Callum Hudson-Odoi starts tonight for Chelsea as they take on Sheffield Wednesday in the FA Cup at Stamford Bridge. He'll play alongside new signing Gonzalo Higuain in a front three with Willian. Last night Chelsea refused to comment on rumours the winger had handed in a transfer request.
Arsenal manager Unai Emery has spoken to the media about the club's plans for the last few days of the January transfer window.
With Arsenal linked with Denis Suarez, Christopher Nkunku and most-recently Ivan Perisic, it looks like the Gunners might be one of the more active clubs this week.
But Emery is not committing to anything just yet, with the Spaniard saying today that the club will bring in between "zero and two players" before the window shuts.
Brighton and Hove Albion have announced that defender Ezequiel Schelotto, who joined the Premier League club from Sporting in 2017, has joined Italian side Chievo Verona until the end of the season.
Arsenal may be in the market for a new defender with the news Sokratis Papastathopoulos has been ruled out for a month with an ankle injury suffered in Friday's FA Cup loss to Manchester United.
The diagnosis leaves Arsenal facing a defensive shortage with Laurent Koscielny being assessed for facial injuries suffered in the same match, while Rob Holding and Hector Bellerin were already sidelined.
The news on Koscielny is better than initially feared, with Unai Emery indicating after the match he was being checked for a broken jaw, but the Arsenal manager had expressed confidence Sokratis' injury was not serious.
Nottingham Forest have confirmed that Roy Keane is returning to the club as Martin O'Neill's No 2, reuniting the pair after they left the Republic of Ireland set-up last November.
To Spain where another Real Madrid star could be set to follow Cristiano Ronaldo to Juventus.
Marcelo is the latest player to be linked with a switch according to Marca who is reported to have told bosses at the Bernabeu "if they make an offer for me, you have to let me go".
Here's more on Olivier Giroud's admission that the arrival of Gonzalo Higuain could put his own Chelsea future in jeopardy.
The striker is out of contract at the end of the season at Stamford Bridge, and he appears to sound out both Lyon and Marseille by admitting they are "great clubs".
Back to Crystal Palace who want to sign Chelsea's Gary Cahill on loan before Thursday's deadline.
That's according to The Sun on Sunday.
They say that should the Eagles land the 33-year-old former England international then fellow central defender Scott Dann will join Fulham, also on loan.
Ole Gunnar Solskjaer has spoken this morning ahead of Manchester United's Premier League clash with Burnley on Tuesday.
The Norwegian was asked about United's transfer plans this week, and he revealed that despite being strongly linked with Old Trafford departures, every player currently in his squad - including Matteo Darmian and Andreas Pereira - will remain at United for the rest of the season.
In a fresh twist in the Tielemans pursuit, The Telegraph are reporting that Andre Silva could be used in negotiations to secure a 'loan swap' until the end of the season.