Manchester City spent more than 180 million pounds ($223.58 million) -- more than the combined amount paid by the other 19 English top-flight clubs in a relatively quiet window.
Manchester City manager Pep Guardiola has noticed an increase in opposing teams adopting a man-marking approach.
Champions Manchester City struggled in this campaign and sit sixth in the table after winning only two of their last 10 league matches.
A summary of Saturday's action in the English Premier League.
Arsenal moved to 50 points from 24 games.
The Champions League play-offs are set to deliver high-octane drama as Manchester City prepare to battle European heavyweights Real Madrid, while Celtic brace for a daunting clash against Bayern Munich, with last-16 spots on the line.
Reigning champions City are also involved in a separate independent hearing into the club's alleged breaches of Premier League financial regulations which began in September, with a verdict expected some time before the end of the current season.
Manchester City bounced back after conceding an early goal to beat Chelsea 3-1 on Saturday
Manchester City were referred to an independent commission over the alleged breaches of financial regulations, which go back to the 2009-10 campaign.
Manchester City have one just victory from their last 10 games across all competitions.
Former Manchester United and Scotland forward Denis Law has died at the age of 84.
'Bellingham had a bruise from a knock and will not be available. Vinicius Jr. has been given an extra day to recover, but will be available for tomorrow.'
Chelsea recovered to beat West Ham United 2-1 to jump to fourth place in the English Premier League on Monday.
City's Khadija Shaw was named Women's Player of the Year, with Grace Clinton picking up the Young Player of the Year after excelling on loan at Tottenham Hotspur from Manchester United.
Manchester City boss Pep Guardiola is not entirely sold on the new Champions League format
Both managers have struggled in the Champions League this season, with PSG on seven points and 25th in the standings, one place outside the knockout phase playoff zone, while City are one point ahead in 22nd.
Chelsea won for the first time in six Premier League matches when they beat relegation-threatened Wolverhampton Wanderers 3-1 at home on Monday.
Manchester City's spending of more than 180 million pounds ($223.58 million) was the second-biggest outlay ever worldwide by a club in the January transfer window.
With Guardiola also signing a contract extension until 2027, Haaland is hoping to develop under the Spaniard, who has led City to 18 trophies since he took charge in 2016.
Manchester City are at risk of missing out on next season's Champions League due to their recent dip in form, manager Pep Guardiola said.
Liverpool strolled to a 2-0 victory over Brentford, while Newcastle drew 1-1 at Bournemouth.
A round-up of Saturday's action in the English Premier League.
City's current streak, which leaves the champions seventh in the standings and 12 points off leaders Liverpool, coincides with Haaland scoring just twice
In a video that has now gone viral, Guardiola is seen giving young autograph hunters a dressing down for missing school and doing business reselling football memorabilia.
Graham Potter is in talks to replace Lopetegui, according to British media reports, and the former Chelsea and Brighton & Hove Albion manager is expected to take charge of West Ham for their FA Cup third-round game at Aston Villa on Friday.
Three late goals from Amad Diallo dragged a below-par Manchester United to an unlikely 3-1 comeback victory over bottom side Southampton.
A summary of Saturday's action in the FA Cup third round.
Manchester City came from behind to beat Club Brugge 3-1 and secure their place in the Champions League playoffs
Liverpool's Slot not nervous ahead of Anfield debut
With Manchester City mired in a six-game winless slump and facing one of their biggest challenges this season at Liverpool this weekend, manager Pep Guardiola said the onus was on him to prove he can right the ship.
David Young, who was with England during their victorious 2019 World Cup campaign, has rejoined the side for the T20 World Cup.
Premier League champions Manchester City were drawn on Thursday with Juventus, Wydad AC and Al Ain in Group G for next year's FIFA Club World Cup in the United States.
Jude Bellingham topped the men's overall voting, with the Real Madrid and England midfielder receiving 11,176 selections from his peers.
Postecoglou moves a step closer to making good on his reputation for securing silverware in his second season at clubs and delivering a first cup for Spurs since they won the League Cup in 2008.
Images from Sunday's action in the English Premier League.
City slumped to a fourth consecutive loss in all competitions with a 2-1 defeat at Brighton & Hove Albion in the Premier League on Saturday
IMAGES from the UEFA Champions League matches played on Wednesday
'I don't have a defence. I'm the boss, I'm the manager and I'm not good enough'
IMAGES from the Premier League matches played on Sunday
A deflected late strike from Lisandro Martinez earned Manchester United a much-needed 1-0 victory at Fulham in the Premier League on Sunday.