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.
Arsenal scored a late goal to force a 1-1 draw against Aston Villa but saw their lead at the top of the Premier League cut to one point after Manchester United won 3-0 at Fulham.
Chelsea manager Antonio Conte has said that the League Cup will provide an opportunity for him to assess the development of the youngsters in his squad.
Unbeaten Arsenal stretched their lead in the Premier league to five points after a 2-1 win at Aston Villa on Saturday while Chelsea beat West Ham United 1-0 to overhaul Manchester United and go second.
A weakened Manchester United were beaten 2-1 at home by Leicester City on Tuesday, ending Manchester City's wait to be crowned Premier League champions.
Second-placed Manchester United edged closer towards qualification for the Champions League
Arsenal beat Brighton and Hove Albion 3-2 to reach the FA Cup fifth round.
Rafa Benitez's risky decision to start Fernando Torres and Dirk Kuyt on the bench looked like a masterstroke on Saturday after the strikers came on late to earn a 3-2 victory at Portsmouth which sent Liverpool top. Liverpool's grandstand finish moved them one point clear of Premier League champions Manchester United, at least until Sunday when Alex Ferguson's side visit West Ham United for one of their two games in hand.
Craig Bellamy scored his second goal since joining Manchester City to earn his side a 1-0 victory over Middlesbrough in the Premier League on Saturday.
Petr Cech helped the Gunners enjoy a rare victory over Jose Mourinho's side on Sunday.
Aston Villa took full advantage of the absence of the other Premier League high-fliers on Saturday, winning 1-0 at West Ham United to climb to third. A deflected James Milner shot 12 minutes from time gave Villa 34 points from 18 games and pushed them above Manchester United (32).
Midfielder Joe Cole was given the chance to rekindle his career on Monday when he joined Liverpool after being released by Chelsea in May.
LA Galaxy have reached an agreement with Tottenham Hotspur to buy Ireland captain Robbie Keane, the MLS club said on their website on Monday.
Volcanic ash cloud has paralysed air travel and has affected sporting events around Europe. Take a look:
A ninth successive win in all competitions for United was celebrated with real vigour, as they moved to within a point of City in second, giving Arsenal the chance to go eight points clear at the top of the standings with a win over Tottenham Hotspur on Sunday.
Klopp mimicked Silver Stallone in the Rocky movies when he yelled "Adrian!" into the television microphone and he was clearly appreciative of his goalkeeper's efforts.
Former England defender Sol Campbell took a step towards a remarkable return to Arsenal's first team when he played for their reserves against West Ham United Tuesday. 'Talks are ongoing with Sol with a view to a permanent move back to Arsenal Football Club,' the Premier League club said on their website (www.arsenal.com).
Everton missed the chance to confirm a place in next season's UEFA Cup when they were beaten 1-0 by Arsenal in the Premier League on Sunday. Liverpool, knocked out of the Champions League by Chelsea on Wednesday, won their final home Premier League game, Fernando Torres notching his 32nd goal of the season in all competitions to earn a 1-0 victory over Manchester City.
The Manchester United striker finished with one more goals than last season's winner, Thierry Henry.
West Ham United stole the limelight with a stunning double swoop for Argentines Carlos Tevez and Javier Mascherano.
Erling Haaland's double put Manchester City within touching distance of an unprecedented fourth successive Premier League title
Since winning 2-1 at home to Wolfsburg in September, United have scored only twice in three Champions League games. In the Premier League the record is five goals in the last six games.
A sparkling two-goal display by Carlos Tevez overshadowed a promising debut by Edin Dzeko as Manchester City claimed a nervy 4-3 win over Wolverhampton Wanderers to go top of the Premier League on Saturday. Dzeko, a 27 million pounds ($42.77 million) buy from VfL Wolfsburg, made a good first impression as City led 4-1 but they were hanging on at the end against the doughty visitors.
Manchester United beat West Ham United 1-0 to consolidate their second place in the EPL
Sunderland and England midfielder Adam Johnson was arrested on Monday on suspicion of having sex with an under-age girl.
West Ham United vice-chairman Karen Brady says hopes of re-starting the Premier League in three weeks are "dreamland" and believes this season could be declared null and void. England's top-flight soccer league, like the rest of world sport, finds itself in unprecedented peace-time territory as it attempts to react to the coronavirus pandemic which has infected nearly 800 people so far in Britain.
Norwich City's Jamal Lewis threw his relegation-threatened side a lifeline with a a 70th-minute goal to beat visiting Premier League high-flyers Leicester City 1-0 and secure a vital three points on Friday. Norwich remain bottom of the table but are now only four points from the safety zone -- three adrift of Watford and West Ham United with Aston Villa another point ahead.
Arsenal ended their away hoodoo against Premier League title challengers with a 2-0 victory at Manchester City on Sunday that left Chelsea five points clear at the top.
Jose Mourinho's side top Group G with a maximum nine points, three clear of second-placed Slavia.
A stunning 87th-minute free kick by captain Steven Gerrard gave Liverpool a 2-1 victory at Aston Villa as the new Premier League season opened on Saturday.
Charlton were relegated from the Premier League after losing 2-0 at home to Tottenham Hotspur.
Chelsea have signed Liverpool's versatile midfielder Yossi Benayoun on a three-year deal, the Premier League champions said on Friday.
'I want to make as big of an impression as I can and then just try and make the next camp. But obviously, every little kid's dream is to play in a World Cup.'
Updates from around the different clubs in the English Premier League
Manchester United have signed Leicester City's England centre back Harry Maguire on a six-year contract, the Manchester club announced on Monday.
Phil Foden struck twice as Manchester City stepped up their bid for a fourth Premier League crown in a row with a ruthless 4-0 victory at Brighton & Hove Albion on Thursday.
Tottenham Hotspur maintained their push for a Premier League top-four finish with a well-deserved 2-0 home win over struggling London rivals West Ham United on Monday.
Liverpool hammered Sparta Prague 6-1 on Thursday to storm into the Europa League quarter-finals 11-2 on aggregate.
