First-half goals from Alexandre Lacazette and Henrikh Mkhitaryan earned Arsenal a 2-0 win over Southampton which moved them into fourth place in the Premier League table
Lacazette was given one of the simplest chances he could wish for after six minutes when Mkhitaryan's half-volley found him unmarked six yards out and he directed the ball beyond Saints goalkeeper Angus Gunn with a smart flick
Mkhitaryan went from provider to scorer 11 minutes later, turning home Alex Iwobi's deflected cross with a composed finish into the near corner from the right
Southampton occasionally threatened and Matt Targett twice forced Bernd Leno into smart saves, but Arsenal moved back into the top four and above Manchester United with the victory
Southampton started with the same vigour from their shock win over Arsenal back in December and could have led inside five minutes when Nathan Redmond did excellently to beat the offside trap and cut inside, but his shot was blocked by Leno's legs
Arsenal immediately gave their visitors a lesson in finishing as they got the ball forward in a matter of seconds, with Iwobi's cross reaching Mkhitaryan, whose half-volley back across goal hit Lacazette and the Frenchman's second touch fired the ball past Gunn from six yards
Targett tested Gunners 'keeper Leno again when he burst past Stephan Lichtsteiner down the left, but two strong hands kept out his shot towards the far post
Arsenal doubled their lead in comical circumstances when Gunn's poor clearance landed perfectly for Iwobi, whose deflected cross fell nicely for Mkhitaryan to slide the ball inside the far post
Lacazette should have put the game out of Southampton's sight when Sead Kolasinac unselfishly played the ball through for him in a good scoring position, but he blazed over from a similar distance to his opener and let Saints off the hook
Two attacking half-time changes from the visitors did little to inspire them back into the game, and Arsenal controlled much of the second 45 minutes like a training match
Late on, substitute Pierre-Emerick Aubameyang could have added a third but his cross-shot towards Lacazette was kept out by Gunn's trailing leg
Targett's volley called Leno into action again, but Arsenal's lead was never in great danger as they strolled back into the top four
The Arsenal winger has often struggled with his final ball but his all-round game was excellent against Southampton, which was displayed by his involvement in both goals
 It was his cross which Mkhitaryan turned goalwards for Lacazette's opener, and another which was finished off by Mkhitaryan to double the lead
He put in more crosses in open play than anyone else (5), and likewise made more key passes (3) than any of his team-mates
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