Neymar signed an extension with PSG through the 2025 season.

"The truth is that I'm very happy to be staying here for four more years, to be a part of the club's project, to try and win titles, to try and achieve our biggest dream which is the Champions League.

"So I'm happy to be staying at the club, to be a part of it and to be extending my contract," said Neymar after signing the deal.

Neymar joined PSG in 2017 for a world record $270 million transfer fee. 

PSG are reportedly also attempting to extend Kylian Mbappe's contract, which expires at the end of next season. 

Zlatan Ibrahimovic is close to signing a one-year extension with AC Milan.

"With Ibra, we are very close to an agreement. There are just a few minor details to be resolved," said technical director Paolo Maldini.

Ibrahimovic currently leads the squad in goals.

Maldini was less optimistic over securing deals for Gianluigi Donnarumma and midfielder Hakan Calhanoglu. 

Jamal Musiala and Bayern Munich have agreed to a new five-year contract.

The 17-year-old's current contract runs out in the summer of 2022.

Musiala spent eight years at Chelsea's academy before moving to Bayern.

He could earn up to $140,000 per week for his new deal. 

Jorge Sampaoli has agreed to become the new manager of Olympique Marseilles through the 2023 season.

Sampaoli replaces Andre Villas-Boas in the role.

Sampaoli, who won the 2015 Copa America with Chile, is currently managing Atletico Mineiro in Brazil. 

Mason Greenwood extended his Manchester United contract through 2025.

The 19-year-old has scored 21 goals in 82 senior matches.

Greenwood recently signed an extension in 2019, but the latest contract reflects his importance to the squad. 

"Mason is a fantastic talent and yet another fine example of the type of player that our academy produces. He has made great progress this season, showing real maturity and adaptability to his game, which has seen him develop into one of the best young players in the country," said Ole Gunnar Solskjaer. 

Borussia Monchengladbach have confirmed that manager Marco Rose will take over at Borussia Dortmund next season.

Dortmund activated a $6 million release clause in Rose's contract.

“Unfortunately, he has opted to trigger a clause in his contract and leave this summer. Until then, we will work hard to achieve our goals in the league, cup and Europe together," said sporting director Max Eberl.

Monchengladbach face Manchester City in the Champions League round of 16. 

Athletic Club sacked manager Gaizka Garitano on Sunday.

Athletic are currently in ninth place on La Liga's table. 

Garitano will be replaced by former Valencia manager Marcelino. 

PSG officially announced Mauricio Pochettino as their new manager, replacing Thomas Tuchel.

Pochettino's contract runs through 2022.

"As you know, this club has always held a special place in my heart. I have wonderful memories. I return to the club today with a lot of ambition & humility," said Pochettino.

The Argentine manager played for the club for two seasons, winning the UEFA Intertoto Cup in 2001.

Yunus Musah has signed a six-year contract with Valencia, the club confirmed on Saturday.

The extension comes with a $121 million buyout clause.

The 18-year-old made his senior side debut this September.

Musah also played in two friendlies with the USMNT. 

Derby County parted ways with manager Phillip Cocu on Saturday.

Wayne Rooney will take over the team on an interim basis.

Derby, currently with six points, sit at the bottom of the Championship table.

“I am sorry that Phillip and his staff have left the club and want to thank him personally for all his help and encouragement as part of his coaching staff. The most important thing now is to stabilise the club and start moving up the table. I have been asked to be part of the coaching staff to help the team’s preparations for next Saturday’s vital match against Bristol City. The coaches and I will speak with the players on Monday," said Rooney in a statement.