English Premier League leaders Liverpool opened up a 22-point gap at the top of the table with second-half goals from Alex Oxlade-Chamberlain, Jordan Henderson and a Mohamed Salah brace giving them a 4-0 home win over Southampton. A rare double from defender Antonio Rudiger earned Chelsea a point in an entertaining 2-2 draw with third-placed Leicester City.
It is too early to say who has got the best of the most frenetic transfer market.
Images from the Champions League matches played across Europe on Tuesday
The departing Didier Drogba threw down the gauntlet to the young Chelsea squad on Sunday as he led Premier League celebrations at Stamford Bridge, telling them they had to win more titles to stand comparison with the class of 2005.
Juventus progressed to the Champions League last 16 after a Cristiano Ronaldo goal and a late header from substitute Alvaro Morata gave them a comeback 2-1 home win over Hungarians Ferencvaros on Tuesday.
Klopp fined by FA for referee comments after West Ham draw
The injury to the Chile forward, who was left out of the squad for Tuesday's Champions League victory over Young Boys, "will require further investigation to confirm its severity", the club added.
Diego Costa was on target again as Chelsea overcame a defensive West Bromwich Albion 1-0 to return to the top of the Premier League with their ninth victory in a row on Sunday. The Spaniard's second-half strike sent the Blues three points clear of Arsenal, who had taken the overall lead on goals scored on Saturday after seeing off Stoke City 3-1 at the Emirates.
Manchester United enjoyed perhaps their finest performance.
Chelsea manager Jose Mourinho, who said he made "11 mistakes" in his team selection after Chelsea lost to Newcastle United on Saturday, will not want to get it wrong again when Schalke 04 visit StamfordBridge in the Champions League on Wednesday.
John Terry will pass into Chelsea folklore as their greatest captain during the most successful period in their history and his announcement on Sunday that he will leave at the end of the season marks the end of an era.
January transfer window failed to materialise as Europe's top clubs largely kept their powder dry.
England striker Daniel Sturridge celebrated his return after a five-month injury layoff when he came off the bench to score as Liverpool beat West Ham United 2-0 in the Premier League on Saturday.
A summary of sports events and sports persons, who made news on Tuesday
Italian Ranieri takes his side, currently bottom of the Premier League, to United on Saturday and said he is looking forward to renewing his friendship with the man who replaced him as Chelsea manager in 2004.
Manchester City tightened their stranglehold at the top of the Premier League on Wednesday by trouncing bottom club West Bromwich Albion 3-0 as nearest rivals Manchester United suffered a chastening 2-0 defeat at Tottenham Hotspur.
But the under fire Blues manager gets former player Frank Lampard's backing
Chelsea manager Jose Mourinho congratulated Arsene Wenger on his 18 years as Arsenal manager on Friday and said he had no need to apologise for calling him a 'specialist in failure' last season.
News of all that transpired on and off the football field
With as much bravado as he could muster, a grim-faced Jose Mourinho said he would not walk out of Chelsea despite his champions suffering their fourth defeat in eight Premier League matches and languishing 16th in the table.
Pressure is something that Liverpool manager Brendan Rodgers says comes with the territory, but after a dismal run, the odds on him becoming the season's first managerial casualty are swiftly shortening.
News of all that's transpired on and off the football field
A preview of the line-up action in the English Premier League from October 20-22.
Manchester City goalkeeper Joe Hart generated some more negative headlines after a last minute mix-up with Matija Nastasic allowed Chelsea's Fernando Torres to score a late winner in a 2-1 victory at Stamford Bridge on Sunday.
'Our plan is to put the best foot forward for the upcoming tournament and play good matches'
News of all that's transpired on and off the football field
The former Valencia player expressed surprise that Chelsea were willing to let him depart, but having been an unused substitute in their last two league matches, he relished the chance to play for another "massive club".
A last-gasp Christian Benteke penalty handed Tim Sherwood his first win as Aston Villa manager.
Alexandre Lacazette's free-kick sent Arsenal into the Europa League semi-finals with a comfortable 1-0 win away over Napoli, while Chelsea beat Slavia Prague 4-3 in a roller-coaster game, helped by a Pedro brace.
Chelsea striker Diego Costa has denied he deliberately stamped on Liverpool's Emre Can.
Chelsea beat Newcastle United 2-0 for a 10th successive Premier League home win at their Stamford Bridge stronghold on Saturday to reassert themselves as Premier League leaders while champions Manchester City drew at Everton.
Jamie Vardy equalled the English Premier League record by scoring for a 10th successive match as his Leicester City side went top after winning 3-0 at Newcastle United while champions Chelsea ended their slump with a 1-0 win over Norwich City on Saturday.
Photos from the Premier League matches played on Sunday
Messi opened the scoring after two minutes and eight seconds, the quickest goal of his career, slipping the ball through Thibaut Courtois' legs from a tight angle.
Chelsea overpowered West Ham United and Manchester City outclassed West Bromwich Albion as the Premier League title rivals signalled their intent at the start of a hectic holiday programme on Friday.
Bitter rivals Arsene Wenger and Jose Mourinho had wildly contrasting afternoons on Saturday as Arsenal went top of the Premier League and champions Chelsea lost again with their manager being sent off.
Two bad results do not make a crisis but Chelsea must break with the past and change their style of play to get back on top in the Premier League and Europe, manager Jose Mourinho said on Friday.