The 1-0 victory gave Chelsea top slot in the premier league, ahead of Arsenal.
Jose Mourinho is expected to be named Manchester United's new manager either later, in Thursday, or Friday, after the tangled issue of who owns his name - and, crucially, is licensed to exploit it commercially - is resolved.
Leaders Chelsea failed their first serious test of the Premier League season on Saturday when a Carlos Tevez goal gave Manchester City a 1-0 home win over the champions who were unstoppable in their opening five matches.
Chelsea manager Jose Mourinho was banished from the dugout and midfielder Nemanja Matic was sent off the pitch as the Premier League champions lost 2-1 at West Ham United who climbed to second in the table on Saturday.
IMAGES from the English Premier League match played between Arsenal and Chelsea at Emirates Stadium in London on Sunday.
Chelsea and Liverpool maintained their unbeaten starts to the season and kept the pressure on early pace-setters Arsenal when they both chalked up 2-0 away wins in the Premier League on Saturday.
Manchester United and Chelsea players who battled against each other in last week's Champions League final have re-united as friends on England duty.
Twelve months ago Liverpool were ripping up the record books on the way to their first English top-flight title for 30 years but defeat by Everton on Saturday left them mulling a host of far less flattering statistics.
Manchester City, owned by Abu Dhabi billionaire Sheikh Mansour bin Zayad al Nahyan, also had an approach for Terry, who has 53 England caps, rejected last season.
Chelsea captain John Terry has said the players remain behind manager Jose Mourinho and need to rediscover the hunger of old to improve on a dreadful start to their Premier League title defence.
Manchester United beat bottom-placed Derby County 4-1 at Old Trafford while Chelsea beat Sunderland 2-0.
Manchester United posted a second straight four-goal Premier League away win with a 4-0 success at West Ham United on Saturday but it was tempered by more injuries that have left the club shorn of almost all their defenders. United, who won 4-1 at Portsmouth last week, move to 34 points, once again within two of leaders Chelsea who visit Manchester City later on Saturday.
Chelsea beat Portsmouth 1-0 while to go on top of the EPL table as Manchester City went down 0-1 at Arsenal.
Chelsea beat Tottenham Hotspur 2-1 and league leaders Manchester United overcame Middlesbrough 1-0.
Chelsea blew the title race wide open when they came from behind to beat Premier league leaders Manchester United 2-1 thanks to Frank Lampard's controversial 79th-minute penalty at Stamford Bridge on Tuesday.
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.
Barcelona crashed out of the Champions League following a 3-0 defeat at Bayern Munich on Wednesday, failing to make it past the group stage of the competition for the first time since the 2000-01 season.
A 78th-minute header by David Luiz and a late Ramires goal gave Chelsea a vital 2-0 home win over Manchester City, which took them above their guests into third place in the Premier League on Sunday.
Manchester United beat Wigan to extend their lead atop the EPL after Chelsea were held by Reading.
Manchester United and Chelsea, who meet in next month's Champions League final in Moscow, will focus on matters much closer to home this weekend when they renew their battle for the Premier League title. Chelsea travel to face a revitalised Newcastle United on Monday while United host West Ham United on Saturday.
Chelsea have made a straight-cash bid for Manchester United's unsettled striker Wayne Rooney, the London club's manager Jose Mourinho said on Wednesday.
Thierry Henry has been named head coach of the country's Under-21s until 2025
Liverpool ended their seven-year wait for a home league win over Manchester United on Saturday when Ryan Babel came off the bench to give them a deserved 2-1 victory over the champions. Their victory took them to 10 points from four games, the same as Chelsea, who won 3-1 at Manchester City, despite Robinho marking his debut for City with a goal after 13 minutes.
IMAGES from the EPL matches played on Saturday.
Manchester City sent Chelsea crashing to a 4-2 defeat to end their 37-match unbeaten record at Stamford Bridge and dent their Premier League title hopes on Saturday. The leaders, beaten at home for the first time in all competitions since November 2008, finished with nine men after having Juliano Belletti and Michael Ballack sent off late in the second half.
Manchester City will return to action in the UEFA Champions League on Wednesday against RB Leipzig at the Etihad Stadium.
Chelsea kept alive their remote Premier League title chances with a 2-0 win over London rivals Tottenham Hotspur on Sunday, set on their way by an exquisite strike from Hakim Ziyech which was quickly followed up by a Thiago Silva header.
Chelsea's title hopes suffered a blow when the Premier League leaders finished with nine men in a 1-0 defeat at Aston Villa on Saturday after Manchester City won 2-0 at Hull City to cut the gap at the top to six points.
Spring is here and the flowers are in full bloom. Welcome to the Chelsea Flower Show, held from May 22 to May 26. This year the theme was 'Summer of Love', inspired by the Royal Wedding and the 1960's/70's cultural revolution. Here are colorful and cheery scenes from this year's grand garden party.
Javier Hernandez grabbed a 3-2 victory for Manchester United at Premier League leaders Chelsea after the previously unbeaten hosts had been reduced to nine men in a tempestuous clash at Stamford Bridge on Sunday.
Images from the UEFA Champions League matches played on Wednesday.
News of all that transpired on and off the football field...
The racist chants took the shine off a great day for Chelsea who have tightened their grip on fourth place.
Cristiano Ronaldo inspired Manchester United to a 4-1 rout of Bolton Wanderers while Chelsea beat Sheffield United 3-0.
English champions Manchester United opened their title defence with a 2-1 win at West Bromwich Albion on Sunday while Chelsea could manage a draw only in new coach Andre Villas-Boas' first Premier League match.
Aston Villa will be the first league visitors to Arsenal's new Emirates Stadium on the opening day of the Premier League.
A round-up of Tuesday's action in the UEFA Champions League.
Manchester United beat Aston Villa 3-1 to maintain their six-point Premier League lead.