Holders Manchester City held their nerve to beat Leicester City 3-1 on penalties and reach the League Cup semi-finals after an entertaining last-eight tie ended 1-1 on Tuesday.
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.
Lacazette fired the Gunners ahead in the eighth minute after poor defending by the home side before new signing Gabriel made it 2-0 in the 49th and Aubameyang put the icing on the cake with a superb shot into the top corner.
Manchester City set a new top-flight record of 15 consecutive wins as their seemingly unstoppable march towards the English Premier League title continued with a 4-0 romp at bottom club Swansea City.
Former Chelsea and England captain John Terry has joined Championship side Aston Villa, the club's owner said on Monday.
Despite a splurge of summer spending of more than 500 million pounds and counting, it was a free transfer from France who provided one of the standout moments of the Premier League's big kickoff.
West Ham United's hopes of avoiding relegation suffered a cruel blow as an own goal by midfielder Tomas Soucek and Harry Kane's first goal since December condemned them to a 2-0 defeat at Tottenham Hotspur on Tuesday.
The points table of the English Premier League 2015-16 season.
Pep Guardiola hailed Sergio Aguero's 'unique' skill of sniffing out chances in front of goal, and David Silva's ability to ghost past defenders
News of all that's transpired on and off the football field
Arsenal's victory was scrappy and nervy but Laurent Koscielny's 72nd-minute winner was enough to move them two points clear at the summit after LeicesterCity's surprise push faltered with a goalless draw at home to 10-man Bournemouth.
Leicester City's traumatic week ended with a 1-0 win at Cardiff City although the result was never the chief concern on a day when the tributes flowed for the Midlands club's late owner Vichai Srivaddhanaprabha who died in a helicopter crash.
Manchester United stretched their unbeaten run to 11 games in all competitions after Daley Blind, in-form striker Zlatan Ibrahimovic and substitute Henrik Mkhitaryan gave them a 3-1 home win over Sunderland on Monday. Left back Blind fired United ahead with a crisp 39th-minute shot after Ibrahimovic teed him up perfectly. The towering Swede doubled the lead with a clinical 82nd-minute finish for his 17th goal of the season. Fit-again Mkhitaryan put the icing on the cake with a spectacular backheel effort after a sharp Ibrahimovic cross from the right, although television replays suggested the Armenian was marginally offside. Striker Fabio Borini gave Sunderland fans something to cheer with a dipping late volley.
Third-placed Leicester go to Hodgson's sixth-placed Crystal Palace on Sunday
City's Aguero doubtful starter for Watford trip
Tottenham Hotspur striker Harry Kane is loving his duel with Leicester City forward and England team mate Jamie Vardy for the Premier League golden boot this season.
News of all that's transpired on and off the football field.
Costa, the Premier League's leading scorer with 14 goals, will miss Saturday's game following a disagreement with Chelsea manager Antonio Conte and a club fitness coach Julio Tous, the reports say.
A stoppage-time goal from Martin de Roon earned Middlesbrough an unlikely 1-1 draw at Premier League leaders Manchester City on Saturday.
Eight wins and a draw in their last nine games had seen Leicester emerge as the closest pursuers of runaway leaders Liverpool but they went down 3-1 at the Etihad despite taking an early lead through Jamie Vardy. Images from the English Premier League matches played on Saturday.
Manchester City striker Sergio Aguero has been banned for three matches after being found guilty of violent conduct, the Football Association said on Friday.
The next man in charge faces an unenviable task trying to sort out the existing mess and then living up to goals that seem ever more distant.
Is VAR sucking the life out of the game?
Images from the English Premier League matches played on Saturday.
A preview of the line-up action in the English Premier League
Chelsea may still take their case to the Court of Arbitration for Sport, as other clubs have done in the past.
Liverpool substitute Adam Lallana struck deep into stoppage time to snatch a 5-4 win over shell-shocked Norwich City in an extraordinary Premier League game at Carrow Road on Saturday.
News of all that's transpired on and off the football field
Be ready to be amazed as Rediff.com encapsulates all the sporting action from the past week in this super photo feature.
List of major transfers in the top Premier League ahead of the 2019-20 season (all transfer fees as reported by British media):
IMAGES from EPL match played between Manchester City and Chelsea on Sunday
IMAGES from the English Premier League match played between Everton and Manchester City on Wednesday
Under-pressure Everton manager Roberto Martinez enjoyed some respite as his struggling side won for the first time in eight league matches.
IMAGES from the English Premier League match played on Saturday
Chelsea manager Antonio Conte gave short shrift to media reports linking him with a move away from the English Premier League leaders and said he was eager to build "something important" at Stamford Bridge.
Rediff.com brings a preview of the main matches coming up this weekend in the English Premier League.
Arsenal's new manager Unai Emery faces a baptism of fire after the Gunners were handed an opening day fixture at home to Premier League champions Manchester City.
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.
There will be no seismic shifts in the balance of the world's richest football competition if the first weekend of the new Premier League season is anything to go by.
Under-fire Jose Mourinho had been on the verge of delivering the perfect response to his critics on Saturday with Manchester United closing in on a second consecutive comeback win, at the home of his old club Chelsea to boot.