"Diego Costa's out which means we have to solve that problem in 24 hours," new interim coach Guus Hiddink told reporters.
A stunning free kick from Willian seven minutes from time gave Chelsea a nervy and hard-fought 2-1 UEFA Champions League Group G win over Dynamo Kiev on Wednesday to lift some of the gloom surrounding Stamford Bridge.
Middlesbrough handed Chelsea only their second Premier League defeat this season with a 3-0 victory.
Chelsea reclaimed top spot in the Premier League with a crushing 5-0 win over Blackburn Rovers on Saturday but Tottenham Hotspur were brought down to earth when Stoke City snatched a late 1-0 victory at White Hart Lane.
Chelsea defender Branislav Ivanovic has been charged with violent conduct by the Football Association for an incident in the game against Wigan Athletic at the weekend, the FA said in a statement on Tuesday.
A former cop and Chelsea fan has reportedly apologised for his role in the racist incident on the Paris Metro but has denied being a racist.
Porto defender Jose Bosingwa has agreed a three-year deal with Chelsea and will join the Premier League runners-up after Euro 2008, the club said on Monday. "Jose Bosingwa has agreed terms with Chelsea Football Club. He has agreed a three-year contract," said a statement on the club's Web site (www.chelseafc.com).
Chelsea manager Guus Hiddink has urged doctors at the Football Association (FA) and Premier League clubs to stand up against English football's gruelling fixture list.
A 1-0 victory in the second leg semi-final gave Liverpool a place in the Champions League final.
Premier League champions Chelsea are getting their confidence back after winning back-to-back games for only the second time this campaign, says defender Cesar Azpilicueta.
Although Chelsea's two championships have come 50 years apart, it is highly unlikely they will need to wait another half-century for a third.
Captain John Terry may have played his final game for Chelsea after receiving his second red card of the season in Saturday's 3-2 Premier League defeat at Sunderland.
England begin their World Cup group campaign against Iran on November 21.
Chelsea midfielder Cesc Fabregas has denied suggestions of a rift with manager Jose Mourinho, accusing "certain individuals from outside" of trying to destabilise the club and refuting reports that he is leading an alleged dressing-room revolt.
Chelsea were charged by the FA with misconduct for allegedly breaching rules governing private drug testing by the club
Chelsea's players must look at themselves and start performing, former Blues stalwart Frank Lampard said as speculation continues to swirl over the future of manager Jose Mourinho.
Jose Mourinho says referee Chris Foy should not be allowed to take charge of any more Chelsea matches after he dismissed Willian and Ramires in Saturday's 1-0 defeat at Aston Villa and also sent the Portuguese manager to the stands.
News of all that's transpired on and off the football field
Country's third-largest software services firm Wipro has said it has been chosen as the official digital and IT partner for Chelsea Football Club.
The English Premier League matches are on. Are you cheering for Chelsea? Or Manchester United?
Brazil defender David Luiz is overjoyed to be back for a second spell at Chelsea after leaving Paris St Germain on transfer deadline day. The 29-year-old, who quit Stamford Bridge for Paris two years ago, has returned for a fee that media reports put at 34 million pounds ($45.09 million). Luiz won the Champions League, Europa League and FA Cup in his three years at Chelsea after joining from Benfica in 2011.
Manchester United's Jose Mourinho, humbled for the second time this season in front of the Chelsea fans who once idolised him, did not go quietly on Monday as he declared that he remains the London club's number one manager.
Chelsea had the look of champions again as they maintained their comfortable seven-point advantage at the top of the Premier League with a 3-1 victory at Bournemouth on Saturday -- but Tottenham Hotspur will not give up the chase.
The Chelsea old guard showed they are not ready to be consigned to the scrapheap after a thrilling win over Napoli in the Champions League on Wednesday.
Manchester United have bid 35 million pounds for Chelsea playmaker Juan Mata, British media reported on Wednesday.
The Argentine is reportedly unhappy with coach Enrique's way of running the dressing room at Barcelona.
Jose Mourinho left Stamford Bridge because his relationship with Chelsea had broken down and the effects could be seen in their results, the Premier League club said.
Hasselbaink came on to score three times in the last 15 minutes in a 5-2 rout over Wolverhampton Wanderers.\n\n
Runaway Premier League leaders Manchester City beat champions Chelsea 1-0 at the Etihad Stadium on Sunday to extend their lead to 18 points and leave the London side further adrift from the Champions League qualification spots.
A summary of Thursday's matches in the English Premier League.
But the under fire Blues manager gets former player Frank Lampard's backing
The EPL champions, Jose Mourinho and Ashley Cole were found guilty of breaking contract rules by the governing body.
Indian movie star and ardent Chelsea Football Club fan, Abhishek Bachchan was at Stamford Bridge in London recently to watch his favourite team's Champions League semi-final match against Barcelona. He was presented with the new Chelsea jersey by the club's CEO, Peter Kenyon, making him the world's first owner of the prestigious club's latest jersey.
Following Chelsea's tame draw against Manchester City, questions are being raised about the Jose Mourinho-managed team's game plan and attitude.
Zlatan Ibrahimovic scored the winner as Paris St Germain beat Chelsea 2-1 to knock them out of the Champions League for the second successive season at Stamford Bridge on Wednesday.
Liverpool continued their perfect start to the season to stay top of the Premier League after a goal in each half gave them a 2-1 victory over Tottenham Hotspur at Wembley on Saturday.
Tottenham Hotspur claimed a first victory at Chelsea for 28 years with Dele Alli scoring twice in the second half as they came back to win 3-1 and cement fourth place in the Premier League on Sunday.