Only one point separates the two sides with Chelsea on 31 and City on 30 but Antonio Conte's impact at Stamford Bridge appears greater than his City counterpart Pep Guardiola's at the Etihad.
Sergio Aguero was acclaimed as "the best striker in the Premier League" by manager Manuel Pellegrini after his hat-trick helped Manchester City beat Chelsea 3-0 at Stamford Bridge on Saturday.
Having spent much of his time at Chelsea operating in Eden Hazard's shadow, Willian has emerged as a leading light in the team ahead of their Champions League showdown with Barcelona.
John Terry has recovered from an ankle injury and will be available for Chelsea's home clash with Manchester United on Sunday, manager Antonio Conte said on Friday.
Since the billionaire from Russia took control of the London club in 2003, Claudio Ranieri, Jose Mourinho, Avram Grant, Luiz Felipe Scolari, Guus Hiddink and Carlo Ancelotti have all left Stamford Bridge after failing to reach the Holy Grail.
Buoyant Chelsea extended their Premier League lead and calmed nerves at Stamford Bridge with a 4-2 win over Southampton on Tuesday that moved them seven points clear of their nearest pursuers Tottenham Hotspur.
Chelsea have left the door open for John Terry to stay at Stamford Bridge after the central defender announced that he is leaving when his contract expires at the end of the season. The Premier League champions said he could be offered the chance to stay at Stamford Bridge following a meeting with the club last month. "In that meeting he asked about the possibility of an extension to his existing contract," Chelsea said in a statement. "John was advised that while no new deal was currently on the table, that situation could change in the coming months." Chelsea said they had the utmost respect for Terry and everything he has helped them achieve, describing him as a "fantastic servant and superb captain".
Coin-throwing fans marred the FA Cup for the second consecutive day on Sunday with Chelsea supporters under fire after an incident during their 5-1 defeat of Manchester City on Sunday.
Chelsea manager Antonio Conte is uncertain about the future of Diego Costa, as Spanish media reports have linked the striker with a possible return to Atletico Madrid. The 27-year-old, who joined the London club from Atletico in 2014, did not feature in Chelsea's 3-2 defeat by Real Madrid in a pre-season friendly on Saturday due to a back injury. The Spain international scored 12 times last season as the club finished 10th in the Premier League, with British media reports also linking Everton striker Romelu Lukaku with a potential move back to Stamford Bridge.
Chelsea manager Maurizio Sarri said Eden Hazard is free to leave the club if he wants to but the Italian hopes the forward stays at Stamford Bridge.
Serge Gnabry scored twice as Bayern Munich beat Chelsea 3-0, while Antoine Griezmann's second-half equaliser handed Barcelona a vital away goal and earned them a 1-1 draw at Napoli in their Champions League last 16, first leg on Tuesday.
Luton pulled one back on the half-hour mark when Chelsea keeper Kepa Arrizabalaga failed to keep out Jordan Clark's low effort which squeezed between his hand and leg into the net.
Liverpool had been the better side for great swathes of the Premier League encounter at Stamford Bridge, but a combination of poor finishing and resilient Chelsea defending meant they entered the dying minutes trailing 1-0 to Eden Hazard's superb finish.
Trailing 1-0 from the semi-final first leg, Chelsea turned the tie on its head with goals by N'Golo Kante and Eden Hazard in the first half but Fernando Llorente struck for Spurs in an enthralling Stamford Bridge duel.
Best images from sporting events held across the globe in the last week.
Manchester United manager Jose Mourinho told his Chelsea counterpart Antonio Conte that his antics in whipping up the crowd during the London club's 4-0 victory on Sunday were "humiliating", according to Italian television.
Dutchman Guus Hiddink was named as Premier League champions Chelsea's interim manager for a second time on Saturday following the sacking of Jose Mourinho, the club said in a statement.
Tottenham Hotspur gained a slender advantage in their League Cup semi-final against London rivals Chelsea as Harry Kane's penalty earned them a gritty 1-0 first-leg win.
Responding to an initiative already run by fans of both clubs, City and United will donate 50,000 pounds each to the Trussell Trust, a support network of more than 1,200 food banks.
Premier League Leeds United suffered the biggest upset of the FA Cup third round when they fell to a 3-0 defeat by fourth-tier Crawley Town on Sunday
Chelsea have signed Spain World Cup striker Diego Costa from Atletico Madrid, the Stamford Bridge club said in a statement on Tuesday.
Jose Mourinho will have no qualms about frustrating entertainment-hungry Manchester United fans if it means securing a win on his return to Stamford Bridge on Sunday.
Chelsea have bolstered their attacking options by signing France forward Loic Remy from Premier League rivals Queens Park Rangers on a four-year deal, the 2012 European champions announced 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.
Chelsea moved into the Premier League's top four as Mason Mount's superb first-half goal earned them a 1-0 win at champions Liverpool who suffered a club-record fifth straight home league defeat on Thursday.
Images from the UEFA Champions League matches on Tuesday night.
RB Leipzig scored twice in the opening 13 minutes but had to survive a late comeback from Manchester United to cling on to a 3-2 win on Tuesday that sent them into the Champions League knockout stage and eliminated the English side.
Watford equalised seconds before halftime through Abdoulaye Doucoure and in a rampant spell of attacking football went ahead four minutes after the break when Roberto Pereyra tapped home a Richarlison cross.
Chelsea have released a statement urging fans travelling to Stamford Bridge for their English Premier League match against Arsenal on Sunday to take extra precautions in the aftermath of Friday's terrorism incident in London, as Parsons Green is near the club's stadium.
"Diego Costa's out which means we have to solve that problem in 24 hours," new interim coach Guus Hiddink told reporters.
While Mayor Dannel Malloy will receive the Friend of GOPIO honor, Dr Natarajan, associate professor in the Department of Astronomy and Physics at Yale University, will be honored with the Indian-American Achiever Award, and Dr Kapur, director of music technology at California Institute of the Arts and professor of sonic arts at the New Zealand School of Music, will be presented the Young Person of the Year Award.
After the reigning English Premier League champions suffered a shocking 0-1 defeat at home to Bournemouth on Saturday, will Jose Mourinho continue to lead the defending champions for the second half of the season? Here's a look the men who could take over at Stamford Bridge.
The 36-year-old player, whose career has been chequered by controversy, spent last season at Petrolul Ploieti, a top-flight Romanian club.
Chelsea scored a second successive win over a newly-promoted side when they beat Leicester City 2-0 at Stamford Bridge on Saturday thanks to second-half goals from Diego Costa and Eden Hazard.
Diego Costa left the Stamford Bridge pitch to exultant cheers after a hat-trick against Swansea City on Saturday highlighted a breathless start to a Chelsea career for a team that has been designed around him.
Images from Sunday's action in the Premier League.
Champions Chelsea beat 9-man Arsenal 2-0 in a heated match at Stamford Bridge last week but a coffee brand had to bear the brunt of angry Arsenal supporters.
Chelsea's early season slump turned into a full-blown crisis on Saturday when they were beaten 3-1 by Southampton while Manchester City went top of the Premier League with Sergio Aguero scoring five in a 6-1 win over Newcastle United.
Chelsea winger Eden Hazard still hopes he can one day fulfil his dream of playing for Real Madrid.
Arsene Wenger hit back at Chelsea manager Jose Mourinho's thinly-veiled criticism.