Welbeck's clever touch presented Aubameyang with the chance to prod the ball beyond the advancing Alex McCarthy for his sixth league goal of the campaign and, after setting up the equaliser, the former fired his side ahead with a right-footed drive that clipped defender Maya Yoshida's leg. They had been level for eight minutes when Dusan Tadic allowed Alex Iwobi to cross for Welbeck, who had just produced a contender for miss of the season, to rise above Cédric Soares and head home Arsenal's victor.
Victory lifted Arsenal to within three points of fifth-placed Chelsea, who were held at home by West Ham, while Southampton remain 18th, three points away from safety.
The match ended on a chaotic note as Stephens saw red for lashing out at Jack Wilshere, who himself earned a yellow card for his part in an injury-time scuffle, while Mohamed Elneny was also sent off for a shove on Soares.
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The tail booms are famous because "feathers" because their function has been likened to the feathers of the badminton shuttlecock. The Mojave company had conducted a series of glide tests but had not fired up the spaceship's rocket-powered motor.
- Southampton haven't won any of their last six Premier League games in which they have opened the scoring (D4 L2).
The Gunners are now just three points behind their London rivals with six games left to play. Irish global Long's goal was only his second in nearly 50 games for club and country but even before that the visitors made all the chances.
Another England World Cup hopeful was heavily involved as the injury-ravaged Welbeck netted his first league goals since September.
"I'm excited for him today because I remember making my debut and I'm sure you were the same Slaven, the butterflies, that feeling that he's going to get today".
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The 18-year-old forward Reiss Nelson made his first Premier League start for Arsenal and was given a rude welcome from Southampton midfielder Dusan Tadic, who was fortunate to escape a booking for his unsafe tackle in the opening minutes.
He had only scored one goal all season long before he doubled his tally, thanks to some pathetic defending by Mustafi, for the campaign.
"The advice I'd give my youngster self is to always believe in what you're doing".
"I believe that when you play every three days it's hard to get the pace of the game", Wenger told Sky Sports.
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James had 44 points (17-of-29 shooting), 11 assists and 11 rebounds, bringing the Cavaliers to the brink of an epic comeback. The most deluded among us are those who think the favorite in the Eastern Conference is anybody other than LeBron James .
The game looked to be petering out before an on-field coming-together between Jack Wilshere and Jack Stephens led to the latter being sent off.