Man City moved into second place with a convincing derby win over United, with Arsenal denied crucial points in an own-goal draw against Swansea.
Jose Mourinho claims Chelsea's 6-0 demolition of Arsenal has no added significance despite coming at Arsene Wenger's 1 000th game in charge.
John Terry grabbed a stoppage-time winner as leaders Chelsea showed their Premier League title mettle by snatching a 1-0 victory over Everton.
English Premier League clubs spent a record £725mn in this season's transfer windows, with Man United's Juan Mata the most expensive January signing.
While Aston Villa fought hard and were close to beating Arsenal in their Premier League home match, the Gunners managed to remain on top.
Arsenal manager Arsene Wenger says Fulham striker Dimitar Berbatov is not currently on his wish list for the January transfer window.
Luis Suarez has proven how he can be a one-man destroyer after taking his team to a 5-1 win over Norwich City in their Premier League match.
Arsenal boss Arsène Wenger has expressed admiration for Juan Mata, but he was reluctant to reveal the extent of interest in the Chelsea midfielder.
Arsenal takes fourth place in the Premier League with a victory at Newcastle while Alex Ferguson's career ends as Man United draws 5-5 at West Brom.
Arsenal's Arsene Wenger says Robin Van Persie's equaliser for Manchester United left his former club's fans nursing feelings of "disappointed love".
Chelsea beat Sunderland 2-1 at Stamford Bridge and denied Paolo Di Canio a sensational start in his first game as a Premier League manager.
At least four players from Argentina's club Arsenal have been detained after a confrontation with Brazilian police at a Copa Libertadores match.
In the Arsenal boardroom, maintaining a diligent financial approach is as important as ending the team's title drought.
Releasing the latest set of half-year results, Arsenal have demonstrated the financial benefits of resisting demands to recklessly recruit players.
Bayern Munich's 3-1 victory over Arsenal in their Champions League round of 16 first leg has confirmed the German side's focus is set on winning.
Manchester United beat 1-0 at Fulham through a late Wayne Rooney goal as Alex Ferguson's side went 10 points clear at the top of the Premier League.
Danny Graham has poached an 87th-minute equaliser to earn Swansea City a 2-2 draw at home to Arsenal in an FA Cup third-round tie.
Manchester United have kept a firm grip on the Premier League title race and rivals Manchester City at bay, while Arsenal lost their winning streak.
A penalty shoot-out between the Gunners and Bradford City, has left Arsenal defeated.
Arsenal exploited a moment of madness from Tottenham's Emmanuel Adebayor to come from behind to beat the Hotspur 5-2.