England skipper John Terry went off with a depressed fracture of his cheekbone, Didier Drogba was sent off and Chelsea were booed off after they were held to a 0-0 draw by Fulham in the west London derby on Saturday.
Two bad results do not make a crisis but Chelsea must break with the past and change their style of play to get back on top in the Premier League and Europe, manager Jose Mourinho said on Friday.
Lionel Messi came off the bench to inspire Barcelona to a 3-1 win over a dogged Leganes side on Sunday, creating one goal and scoring another to keep the Catalans five points clear at the top of La Liga.
Arsenal scored twice in the last six minutes to secure a 3-1 home victory over Fulham that left their London rivals deep in relegation danger.
Tottenham Hotspur to a 4-0 win at Fulham while Manchester City beat Preston 3-1 to reach the FA Cup quarter-finals.
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's American international forward Clint Dempsey has returned home to the United States to play Major League Soccer (MLS).
Images from the English Premier League matches played on Sunday.
Images from Monday's action in the Premier League.
IMAGES from the English Premier League matches played on Sunday.
ManchesterCity and Manchester United scored 10 goals between them and boosted their title aspirations with convincing wins over NorwichCity and Fulham respectively on an eventful afternoon in the Premier League on Saturday.
Tottenham Hotspur climbed to third with a 3-1 win over Southampton while Chelsea hung on to fourth spot, above Arsenal on goal difference, despite a 2-1 defeat at Wolverhampton Wanderers.
Andre Villa-Boas joins Paolo Di Canio (Sunderland), Ian Holloway (Crystal Palace), Martin Jol (Fulham) and Steve Clarke (West Bromwich Albion) in this season's 'pink slip' club.
Inter will be his sixth club in a career which began when he made his debut for Anderlecht as a 16-year-old and has taken him to Chelsea, West Bromwich Albion and Everton.
Chelsea put a miserable week behind them to return to the Premier League summit with a 2-0 win over Fulham as the wheels came off Liverpool's bright start in a 1-0 home defeat to Southampton on Saturday.
Two goals from Fraizer Campbell handed Cardiff City a shock 3-2 victory over Manchester City on Sunday.
Arsene Wenger says the January transfer window should be scrapped and believes few big deals will go through before it closes at the end of the month, the Arsenal boss said on Friday.
Jubilant fans thronged central Belgrade, bringing traffic at the main Republic Square to a halt as they waved Serbian flags and hooted their car horns.
Manchester United have signed Dutch international goalkeeper Edwin van der Sar from Premier League rivals Fulham.
The victory puts the pressure back on title rivals Liverpool who are at Cardiff City on Sunday and trail by a point with each side having played 34 games.
Manchester City displayed champions' swagger as they roared clear at the top with a 5-0 trouncing of Burnley but it was drama which engulfed their neighbours Manchester United and Jose Mourinho that dominated the Premier League agenda on Saturday.
AC Milan have signed Morocco midfielder Adel Taarabt on loan from English championship (second division) club Queens Park Rangers until the end of the season, British media reported.
Liverpool's Premier League title aspirations will be under scrutiny again on Saturday when they make the short trip across Stanley Park to face city rivals Everton.
Reigning champions Manchester City took the lead after 24 seconds but suffered a shock 2-1 defeat at Newcastle United.
Chelsea surged to the top of the Premier League with a 3-0 home win over Stoke City thanks to goals from Mohamed Salah, Frank Lampard and Willian at Stamford Bridge on Saturday.
Images from the English Premier League matches played on Saturday.
Premier League teams Burnley and Middlesbrough were knocked out of the English Cup by lower-league teams in the second round on Wednesday.
Former Chelsea midfielder Frank Lampard has been appointed manager of Championship side Derby County, with the second-tier side announcing the 39-year-old had agreed to a three-year deal on Thursday.
Manchester City are top on goal difference, with Chelsea second and Liverpool dropping to third, two points ahead of Arsenal, who routed Fulham 5-1.
Everton manager Roberto Martinez believes criticism of his side by Arsenal's Arsene Wenger should be seen as a compliment but he is keen to avoid complacency seeping into his squad ahead of Saturday's home game against Fulham.
Billionaire Thai Prime Minister Thaksin Shinawatra is eyeing a bid for the English Premier league club.
Chelsea booked their place in the League Cup semi-finals with a late 2-1 win at Fulham.
Dutch squad penpix ahead of the European Championship semi-final against hosts Portugal.
Salah was seen training with a protective cast on his forearm this week but Klopp dismissed any fresh injury concern relating to the Egyptian.
But title rivals Chelsea and Manchester United were held in Saturday's Premiership matches.
News of all that's transpired on and off the football field
Images from Sunday's action in the Premier League.
Lukas Podolski and Olivier Giroud gave food for thought to Arsenal fans craving a new striker by scoring in a 3-1 Premier League win at Fulham on Saturday while Liverpool made it two victories from two games at Aston Villa.