Arsenal kept up their 100 percent home record this season with a 2-0 win over West Bromwich Albion in the Premier League on Monday, with new club record signing Alexandre Lacazette grabbing both the goals.
Ross Barkley scored a sublime goal as Everton beat Queens Park Rangers 3-1 at Goodison Park on Monday to subject the travel-weary Londoners to their eighth away defeat in as many Premier League matches this season.
Free-scoring Arsenal replaced Chelsea as Premier League leaders as goals either side of halftime by Theo Walcott and Mesut Ozil helped them recover from a slow start to beat Stoke City 3-1 on Saturday.
Defeat always seemed likely for West Brom, who are bottom of the Premier League and sacked their chairman and chief-executive on Tuesday.
Everton striker Romelu Lukaku struck a late equaliser to salvage a 1-1 draw against a solid CrystalPalace side in an absorbing Premier League match at Goodison Park on Monday.
Everton now go to up to fifth in the table with 12 points from seven games
'We want to thank him (Costa) for what he did with this club. We wish him all the best for the future'
Leicester City's Premier League title defence got off to a terrible start as they were beaten 2-1 at promoted Hull City, who shrugged off an injury crisis to shock the champions on the opening day of the new season on Saturday
Arsenal manager Arsene Wenger spoke last week of his desire to keep the 24-year-old Oxlade-Chamberlain, who was also a target for champions Chelsea.
Manchester United survived a tense finale to beat West Bromwich Albion 2-1 at the Hawthorns on Sunday and close to within 11 points of Premier League leaders Manchester City.
A full-strength Arsenal added another piece of silverware to their recent FA Cup success by beating Everton 3-1 in the final of the Premier League's Asia Trophy on Saturday.
Manchester United may still be some way from the team that won 13 league titles under Alex Ferguson, but a combination of exciting attacking players and suspect defense means they are regaining the club's reputation for great entertainment.
Romelu Lukaku extended his impressive FA Cup scoring record by netting twice in Manchester United's 2-0 win at Huddersfield Town to earn Jose Mourinho's side a quarter-final tie at home to Brighton & Hove Albion.
Phil Jagielka's stoppage-time thunderbolt earned Everton an unlikely 1-1 draw in the 223rd Merseyside derby on Saturday after Steven Gerrard's free kick appeared to have secured Liverpool a welcome victory.
The shadow of their disappointing 2014 World Cup campaign still hangs over Spain as they prepare to defend their European Championship crown in France next month, according to coach Vicente del Bosque.
Despite all the hype, however, the match will do well to live up to some of the Manchester derby tussles down the years. Here are five of the most memorable:
A summary of sports events and persons who made news on Friday.
Bitter rivals Arsene Wenger and Jose Mourinho had wildly contrasting afternoons on Saturday as Arsenal went top of the Premier League and champions Chelsea lost again with their manager being sent off.
Willian's late strike snatched a 1-0 home win for Chelsea over a stubborn Everton side to maintain lead.