Jose Mourinho's future as Chelsea manager looked increasingly uncertain after Liverpool beat them 3-1 in the Premier League at Stamford Bridge on Saturday.
England's League Managers' Association has revealed that the average tenure of a Premier League manager is now little more than two seasons, with 11 of last year's 20 starters already kicked out.
Leaders Bayern Munich eased past VfB Stuttgart 2-0 on Saturday to grab their first win of the year, as did Borussia Dortmund who beat Freiburg 3-0 to climb off the bottom of the Bundesliga table.
Leaders Manchester City kept up their unbeaten run with a 3-1 win over Bournemouth on Saturday. Manchester United salvaged a 2-2 draw at Southampton, who sacked manager Mark Hughes on Monday.
Liverpool moved into the Champions League qualifying spots after a 3-0 win at Burnley on Wednesday took them above Leicester City and into fourth place with one round of Premier League matches remaining.
Photos from the English Premier League matches played on Sunday
Chelsea ticked off three more points in their Premier League title quest with a 2-1 victory over Manchester City on Wednesday but Tottenham Hotspur's Houdini-like 3-1 win at Swansea means the race is far from over.
The win moved Spurs up to third but unbeaten Manchester City still looked in a class of their own at the top as Leroy Sane scored twice in a 4-0 stroll over West Ham United.
Arsenal will not sell striker Olivier Giroud, midfielder Jack Wilshere and winger Theo Walcott in the January transfer window despite their lack of playing time at the Premier League club, manager Arsene Wenger has said.
Villarreal's Adrian Lopez produced a stinging sucker punch in stoppage time to leave Liverpool reeling and move the Spaniards closer to a maiden European final after their Europa League last four first leg clash finished 1-0 on Thursday.
News of all that transpired on and off the football field.
News of all that's transpired on and off the football field
The challenge against champions Chlesea on Sunday is for Manchester United to show that they can replicate the confident and businesslike win that City showed a month ago.
Poland forward Robert Lewandowski became the second top Borussia Dortmund player to leave for arch-rivals Bayern Munich in less than a year when he agreed terms on Saturday to join them as a free agent at the end of the season.
Saturday's clash between Manchester United and Tottenham Hotspur at Old Trafford is already shaping up as an early-season eliminator to challenge runaway leaders Manchester City for the Premier League title.
Chelsea moved 12 points clear of Arsenal, who suffered their fourth defeat in nine league matches, while fourth-placed Liverpool fell 13 point adrift after their wretched 2017 continued with a shock 2-0 defeat at resurgent Hull City.
Barcelona have been haunted by their recent failures in the Champions League and there are concerning signs for the Catalans as they prepare for Tuesday's last-16 first leg away to Olympique Lyonnais.
Liverpool and champions Manchester City drew 0-0 at Anfield while Chelsea and Arsenal enjoyed comfortable away wins. City are top on goal difference from Liverpool and Chelsea with Arsenal two points behind.
Images from English Premier League matches played on Sunday.
Images from the English Premier League matches played on Sunday
Lionel Messi, Luis Suarez and Neymar were all on target as holders Barcelona beat Athletic Bilbao 3-1 on Wednesday to overturn a deficit from the first leg and advance to the quarter-finals of the King's Cup.
Keeper Simon Mignolet proved the shootout hero as Liverpool reached the League Cup final on penalties after a gripping last-four second leg tie at Anfield ended 1-1 on aggregate on Tuesday.
Pogba suffered the injury in United's 3-0 Champions League win over Basel this month.
Son Heung-min's thunderous finish helped Tottenham Hotspur secure a 2-0 victory at Leicester City and Liverpool eased past fourth-tier Exeter City 3-0 in FA Cup third-round replays on Wednesday.
Senegal international Mane faces a three-match suspension from domestic games, although he will be available for Liverpool's Champions League tie at home to Sevilla on Wednesday.
London clubs' erratic start to the Premier League season improved with victories for Chelsea, Tottenham Hotspur and Arsenal on Saturday but Manchester sides continued to make the running, with City and United the top two.
Liverpool have enough quality and strength in depth in the squad to win games and pick up important points during a demanding festive schedule, striker Christian Benteke has said.
After falling 2-0 down on the night, substitute Marcos Llorente struck twice in extra-time and Alvaro Morata added a late third to ensure a famous victory for Diego Simeone's side against a Liverpool team unbeaten in their last 25 home games in European competition.
Images from the English Premier League matches on Saturday.
Premier League heavyweights Liverpool and Manchester United were caught by late sucker punches in two games that finished far more dramatically than they began on Sunday.
Imperious Liverpool extended their Premier League home winning streak against Arsenal to six on Saturday with an easy 4-0 victory that lifted them to second in the table.
Injury-ravaged Bayern Munich beat Hoffenheim 2-0 on Saturday, shrugging off a string of absences and their midweek Champions League defeat at Porto to close in on the Bundesliga title.
Images from the UEFA Champions League matches played on Tuesday.
Liverpool thrashed Atalanta 5-0, Real Madrid boosted their chances of reaching the Champions League knockout stages with a 3-2 home victory over Inter Milan and Bayern Munich came from behind to crush RB Salzburg 6-2.
Liverpool striker Daniel Sturridge was substituted with a thigh injury as the English Premier League club beat Bayern Munich 3-0 in a pre-season match in Germany on Tuesday.
Liverpool were beaten 1-0 away to Atletico Madrid in their last-16 first leg on Tuesday.
Manchester United manager Jose Mourinho has accused Liverpool of being the 'cautious team' in a dull goalless draw in their Premier League clash at Anfield.
Liverpool laboured to a 2-0 win over Denmark's Midtjylland on Tuesday as a goal from Diogo Jota and a Mohamed Salah penalty secured a hard-fought Champions League Group D victory at Anfield.
Tottenham moved up to seventh place with 36 points from 22 games
Chelsea brought a whole new dimension to the Premier League title race when they handed Manchester City their first defeat of the season on Saturday to leave Mohamed Salah-inspired Liverpool as the new leaders.