The summer transfer window was unlike any other. See all the major deals and check out how we graded the biggest signings. And just because the window is shut until January, that doesn't mean the rumours won't keep coming. Here's the latest gossip and speculation.

Barcelona are in danger of losing Gavi, with Liverpool prepared to activate his reported release clause of €50 million, according to El Nacional.

It is reported that a number of Barcelona players have decided to put contract talks on hold after their 3-0 defeat to Bayern Munich caused a shock exit from the Champions League and, as the January transfer window edges closer, the Blaugrana could face a fight to keep hold of the 17-year-old prospect.

Jurgen Klopp has escalated Liverpool's interest in Gavi after learning that club owners Fenway Sports Group would be prepared to sanction a move "without thinking" for the midfielder.

The Reds' €40m signing of centre-back Ibrahima Konate from RB Leipzig was their only senior move in the summer and they need midfield depth after the exit of Georginio Wijnaldum to PSG. However Gavi also has Manchester United and PSG on his trail if he doesn't pen new terms at Camp Nou.

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14.04 GMT: Chelsea's Antonio Rudiger could become the best-paid defender in the world if he departs on a free transfer in summer 2022, says The Daily Mail.

Rudiger, 28, has Real Madrid, Paris Saint-Germain and Bayern Munich on his trail as he has yet to agree a new contract at Stamford Bridge.

It seems likely that the Germany international will move on and could overtake Juventus star Matthijs de Ligt in the pay charts if he pens terms of around €450,000-a-week with a new club.

13.15 GMT: Ralf Rangnick has some BIG plans for Manchester United.

Gab Marcotti feels Ralf Rangnick's advice that Man United should pursue Haaland and Bellingham shows he is settling in.

12.39 GMT: Anthony Martial's agent says the forward wants to leave Manchester United in the January transfer window.

Martial, 26, has started only twice in the Premier League this season and has three years left on his contract, though it has the option of another year.

"Anthony wishes to leave the club in January," Philippe Lamboley told Sky Sports News. "He just needs to play. He doesn't want to stay in January and I will speak to the club soon."

12.22 GMT: There is a "big chance" Erling Haaland will leave Borussia Dortmund next summer, with Bayern Munich, Real Madrid, Barcelona and Manchester City all potential destinations, the striker's agent Mino Raiola has said.

Haaland, who has scored 51 Bundesliga goals in 51 appearances since joining Dortmund in December 2019, reportedly has a release clause in his contract set at €75 million that becomes active at the end of the season.

Sources have told ESPN that Haaland is Manchester United's top transfer target next summer, although interim manager Ralf Rangnick has identified improving the club's midfield as a key area of concern. The 21-year-old's representatives held talks with Europe's top clubs last year and the battle to sign the Norway international is set to intensify once the summer transfer window opens.

"He [Haaland] can and will take the next step," Raiola told Sport 1. "Bayern, Real, Barcelona, ​​City -- these are the big clubs he can join. When we moved to Dortmund, we all knew that this step would come. Maybe this summer, maybe the summer after. But there is a big chance that Erling will leave this summer."

11.38 GMT: Donny van de Beek's Manchester United future remains uncertain, despite the arrival of interim manager Ralf Rangnick, but sources told ESPN's Mark Ogden that Everton's long-standing interest in the player ended when Marcel Brands left his post as director of football at Goodison Park.

Brands, who joined Everton from PSV Eindhoven in June 2018, was close to negotiating a deal to take the former Ajax midfielder on loan at the start of this season, but United senior figures were reluctant to sanction the departure of a player who had cost an initial £35m when signing from Ajax in August 2020.

11.11 GMT: El Nacional claims that Chelsea are targeting a move for Real Madrid midfielder Casemiro.

Casemiro, 29, is viewed as one of the best defensive midfielders in the world but the Brazil international may be keen for a new challenge.

Just imagine him and N'Golo Kante lining up together in midfield...

10.50 GMT: Chelsea have a number of defenders with expiring contracts, so what will they do?

Gab Marcotti and Julien Laurens discuss Chelsea's defensive issues with four central defenders out of contract in the summer.

10.09 GMT: Barcelona have announced they have reached a preliminary agreement with Granada CF to loan Alex Collado for the remainder of the season.

Collado, 21, hasn't featured for Barca this season and wants to leave in search of playing time. The attacking midfielder came through Barca's youth teams and has played for the reserves since 2018, while he has a contract until June 2023.

The Spaniard made his first-team debut in 2019 but has failed to establish himself in the senior squad.

09.47 GMT: Barcelona and Manchester City are finding common ground on Ferran Torres' potential arrival at Camp Nou, according to Mundo Deportivo.

The Spain international is Barca's main target in the January transfer window and City want €60m for the move, while Barca are offering €45m.

There is reportedly optimism at Barca, and within the player's entourage, that the gap can be reduced and that an understanding can be found for the deal to be completed in January.

Barca coach Xavi has reiterated since his return to the club last month that his priority is to sign a forward and among his preferred choices is Torres and RB Leipzig's Dani Olmo. However, Barca have opted to put all their efforts into signing Torres, who would like to join the Catalan outfit.

09.14 GMT: Chelsea players and staff fear Cesar Azpilicueta will leave the club on a free transfer, with Barcelona leading the race for his signature, sources told ESPN's James Olley.

The 32-year-old's deal expires at the end of the season and, while the club were relaxed about the prospect of his deal running down given his longstanding loyalty to the club, talks have not progressed.

Sources claim one key issue outstanding is the length of contract Azpilicueta is seeking. He is free to negotiate directly with other clubs from next month; Barcelona have been tracking him, while Atletico Madrid are said to view him as a replacement for Kieran Trippier, who has been linked with a move back to the Premier League.

08.30 GMT: Ralf Rangnick identified Manchester United's midfield as an area of weakness in his interview with club bosses and suggested players of interest before being offered the job as interim manager, sources told ESPN's Rob Dawson.

Rangnick impressed during discussions with football director John Murtough, technical director Darren Fletcher and executive vice-chairman Ed Woodward as United searched for a temporary boss to take over following the dismissal of Ole Gunnar Solskjaer.

Sources told ESPN that he explained why the club should look to invest in midfield and suggested scouts take a closer look at RB Leipzig's Amadou Haidara, also identifying Borussia Dortmund's Jude Bellingham and Leeds United's Kalvin Phillips as potential midfield targets. Meanwhile, Bellingham's Dortmund teammate Erling Haaland, a long term United target, was also mentioned by Rangnick ahead of what is likely to be a Europe-wide battle for the player's signature in the summer.

Derek Rae and Herculez Gomez react to reports that Chris Armas will join Ralf Rangnick's coaching staff at Manchester United.

- Manchester United could be prepared to let Marcus Rashford leave Old Trafford amid interest from Barcelona. That's according to El Nacional, which writes that club president Joan Laporta is keen on a move for the 24-year-old forward who has struggled for regular game time as a striker in a competition with Cristiano Ronaldo. And while the Blaugrana would like to do a deal, the Premier League club are looking for around €70m to part ways with him.

- Conor Gallagher expects to remain at Selhurst Park over January despite talk of a potential recall to Chelsea. Football London reveals that the 21-year-old midfielder will stay at Crystal Palace, with Patrick Vieira's side currently dealing with an injury crisis in midfield. The on-loan star has been in impressive form this season, contributing to seven goals in 13 starts.

- The Athletic reveals that Inter Miami's Lewis Morgan is headed to the New York Red Bulls, with a $1.2m deal already agreed after the MLS Cup final which takes place on Saturday between Portland Timbers and New York City FC. The 25-year-old midfielder scored twice in 34 appearances for Inter this season.

- Nicolo Schira writes that Samu Castillejo could leave the San Siro in January, with Genoa interested in his signature. The 26-year-old was linked with an exit back in the summer, but it now looks as though AC Milan are considering letting him go again after making just a single start in Serie A this season.

- Julian Alvarez has attracted plenty of suitors of late, and now Sport Italia TV reports that Barcelona have contacted his representatives over a potential deal. The 21-year-old River Plate striker's goal scoring form has seen a queue emerge in Europe's top leagues, with early interest in the Serie A now facing competition from Barca. And it's not hard to see why, with Alvarez contributing to 23 goals in 17 starts.