The Premier League champions signed Athletic Bilbao left back Asier del Horno for $14.50 million on a three-year contract.
Portuguese club Sporting Lisbon are to complain to FIFA after three of their development squad players trained with Chelsea.
Rattled by embarrassing domestic defeats, Chelsea looked jittery before Olivier Giroud settled their nerves with a close range tap-in shortly after halftime at StamfordBridge following good work by N'Golo Kante and Willian in the build-up.
Chelsea's Brazil playmaker Oscar was taken to hospital after being clattered by Arsenal goalkeeper David Ospina during the 0-0 Premier League draw at the Emirates on Sunday.
John Terry believes Chelsea's fortunes could be changing at a timely moment as the struggling English champions travel to Israel with the prospect of securing qualification for the knock-out stages of the Champions League.
Chelsea, who won the League Cup in February, have 88 points and cannot be caught by 2004 champions Arsenal.
Out-of-sorts Chelsea have a golden opportunity to restore battered self-confidence when they face Maccabi Tel Aviv in their opening Champions League Group G match.
Chelsea lost their 100 per cent Premier League record when London rivals West Ham United held them to a 0-0 draw on Sunday.
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.
Chelsea stay a point clear of Arsene Wenger's unbeaten team with 36 points.
Chelsea sacked manager Luiz Felipe Scolari on Monday after seven months in charge, saying that results and performances 'appeared to be deteriorating at a key time in the season'.
IMAGES from the EPL match played between Chelsea and West Brom at Stamford Bridge in London on Monday
Chelsea forward Diego Costa has been charged for improper conduct following his red card in their 2-0 FA Cup quarter-final defeat by Everton at Goodison Park on Saturday.
Spain midfielder Pedro has no regrets over leaving Barcelona in search of more playing time, despite failing to nail down a regular starting berth in his debut season at Chelsea. Consigned to life on the fringes of the starting side at the Nou Camp, Pedro joined the Blues in August and scored seven goals in 29 Premier League appearances as he struggled to adapt to life in England. Chelsea mounted a dismal defence of their title this season, finishing 31 points behind winners Leicester City in 10th place, while serial champions Barcelona won their sixth La Liga title in eight years when they beat Granada 3-0 on Saturday.
Chelsea coach Claudio Ranieri said his team's positive approach held the secret to their spectacular 4-0 Champions League away win over Lazio.
Arsenal dealt a hammer blow to Chelsea's title chances with a 2-1 win over their 10-man rivals
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 thrashed Chelsea 3-0 at Old Trafford on Sunday as the Premier League champions moved an ominous step closer to leaders Liverpool.
Knee injuries have sidelined him for large parts of this season, however, and the Belgium international has started only four Premier League games.
Chelsea skipper John Terry signed a new five-year contract with the club on Friday, ending months of speculation about his future.
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.
Chelsea manager Jose Mourinho was sacked to "protect the interests of the club" and owner Roman Abramovich had to act because of a "palpable discord between manager and players", technical director Michael Emenalo said.
An 85th minute goal from a free kick by Ireland winger Damien Duff gave Chelsea a 2-1 victory over Manchester United.
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.
The Portugal defender signed a three-year contract for around 30 million euros.
Manchester United have bid 35 million pounds for Chelsea playmaker Juan Mata, British media reported on Wednesday.
"Diego Costa's out which means we have to solve that problem in 24 hours," new interim coach Guus Hiddink told reporters.
Chelsea took a major step towards the Premier League title with an impressive 3-0 win over Everton at Goodison Park on Sunday.
Chelsea and former manager Jose Mourinho have reached an undisclosed settlement with former team doctor Eva Carneiro at an employment tribunal in London, the Premier League club said on Tuesday.
Chelsea kept up their 100 percent start to the English Premier League season by snatching a 2-1 win at a stubborn Newcastle United on Sunday, grabbing victory thanks to a late own goal by DeAndre Yedlin.
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.
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.
English football giants Chelsea on Tuesday met officials of the All India Football Federation (AIFF) in a bid to help development of the sport in the country. Chelsea chief executive officer Peter Kenyon held discussions with AIFF general secretary Alberto Colaco and national chief coach Bob Houghton in Panaji.
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.
Chelsea have signed Portugal winger Ricardo Quaresma on loan from Inter Milan until the end of the season, the Premier League club said on Monday.
The Chelsea captain signed a revised five-year contract to stay with the English Premier League club until 2009.
Liverpool beat Leicester City 2-1 to post a fourth successive Premier League victory but conceded their first goal of the season after a nightmare mistake by new keeper Alisson.
