Last season's beaten Champions League finalists, began their new campaign with a convincing 4-0 victory over Girondins Bordeaux in their Group A match at Stamford Bridge on Tuesday.
An 85th minute goal from a free kick by Ireland winger Damien Duff gave Chelsea a 2-1 victory over Manchester United.
Chelsea playmaker Eden Hazard says it "would be a dream" to play under French great and current Real Madrid manager Zinedine Zidane in the future.
Newly-acquired Spain forward Pedro highlighted his potential worth to Premier League champions Chelsea with a goal, assist and eye-catching performance in their 3-2 win at West Bromwich Albion on Sunday.
The Portugal defender signed a three-year contract for around 30 million euros.
On the final day of matches in the English Premier League, Chelsea, who finished the season with 87 points after beating Sunderland 3-1 at Stamford Bridge on Sunday, lifted the trophy on Sunday.
The Wolfsburg winger reckons he didn't enjoy Jose Mourinho's trust during his stay at Stamford Bridge
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.
Chelsea were declared the "autumn champions" by coach Jose Mourinho as they maintained their unbeaten start to the season with a 2-1 win at Anfield on Saturday that kept them four points clear of Southampton at the top of the Premier League.
Chelsea's Brazilian midfielder Oscar has taken to Twitter to deny reports of a training ground row with team mate and Spain international Diego Costa.
Bayern Munich gained some revenge for their 2012 Champions League final defeat by Chelsea when they beat the Premier League club 5-4 on penalties after a thrilling UEFA Super Cup ended 2-2 at the end of extra-time on Friday.
The club spokesman said no immediate announcement would be made on Ranieri's successor, but added the club expected to say something within the next 48 hours.
The Chelsea captain signed a revised five-year contract to stay with the English Premier League club until 2009.
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.
Images from the English Premier League matches played on Saturday
Striker Didier Drogba scored on his debut as Chelsea won 3-0 in the Champions World Series.
IMAGES from the Premier League matches played on Saturday.
The club anthem Blue is the Colour resounded around a joyful Stamford Bridge and champagne flowed as Chelsea clinched their first Premier League title for five years with a typically stubborn 1-0 victory over Crystal Palace on Sunday.
Under pressure from the chasing pack and rocked on their heels by a Charlie Adam bolt from the blue, Chelsea showed cool heads to extend their Premier League to seven points on Saturday with a 2-1 home win over Stoke City.
He will become Chelsea manager Jose Mourinho's second signing following the arrival of Germany forward Andre Schuerrle from Bundesliga side Bayer Leverkusen last month.
Chelsea's French defender Kurt Zouma will be out for six months after surgery on a knee injury suffered at the weekend, the Premier League champions said on Monday.
CFR Cluj will create the upset of the season if they avoid defeat against Chelsea at Stamford Bridge on Tuesday and help stop last season's beaten finalists advancing to the last 16 of the Champions League. Chelsea have already failed to beat Cluj in the competition having drawn 0-0 in their first meeting in Group A in Romania in October.
Chelsea will pay 30 million euros ($33.54 million) for the player, three of which will be based on performance, the Spanish champions said on their website.
Leeds chairman Ken Bates reported Chelsea to the FA on August 2 over alleged illegal approaches to players.
Chelsea need 24 points from their remaining 11 fixtures to win the Premier League title, manager Antonio Conte said on Friday ahead of their trip to Stoke City on Saturday.
Irresistible Chelsea go into the Christmas round of fixtures knowing they can end the year by re-writing the record books.
Brazil's Willian told reporters he will be doing everything he can to send his team mate Eden Hazard home early from Russia.
Chelsea's Jose Mourinho, who hoped to celebrate his new contract with victory at an expectant Stamford Bridge, ended up grateful his team did not become the first Premier League champions to start their title defence with a defeat.
For the second time in five weeks, Chelsea have been fined for failing to control their players
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.
Chelsea clinched their first Premier League title for five years with a 1-0 victory against Crystal Palace at a jubilant Stamford Bridge on Sunday.
Chelsea manager Antonio Conte got the upper hand on Jose Mourinho for the second time this season as his double-chasing side beat 10-man Manchester United 1-0 at Stamford Bridge to reach the FA Cup semi-finals on Monday.
Chelsea have signed Stoke City's Bosnian international goalkeeper Asmir Begovic on a four-year contract, the Premier League champions confirmed on Monday.
Chelsea moved within two points of fourth-placed Tottenham Hotspur in the Premier League after a 1-0 victory over Liverpool thanks to an Olivier Giroud header at Stamford Bridge on Sunday.
Chelsea and Manchester City tightened their stranglehold on the Premier League title race on Saturday, recording victories over struggling clubs to stretch further clear of their increasingly forlorn pursuers.
A goal in added time by Diego Costa earned Chelsea a 1-1 draw against Manchester United on Sunday and preserved Guus Hiddink's unbeaten record while denying Dutch compatriot Louis van Gaal victory.
Chelsea have expressed regret over their handling of allegations against referee Mark Clattenburg after a Premier League match last month, the club said on Tuesday.
Former United States first daughter Chelsea Clinton got married to her long time boyfriend Marc Mezvinsky in what was being billed as the 'wedding of the millennium' in a beautiful ceremony in the quaint town of Rhinebeck in New York.