Pierre-Emerick Aubameyang fired Arsenal to a 1-0 win at Newcastle in their Premier League opener on Sunday, providing hope of an improved run this season for Unai Emery's side.
The Gunners finished last season in turmoil after blowing their bid for a top-four place with a disastrous spell in the final weeks.
Adding to Emery's woes, Arsenal were crushed by Chelsea in the Europa League final to shatter their dreams of Champions League qualification.
But Arsenal have enjoyed a profitable close-season, with a host of new signings raising morale around the Emirates Stadium.
And Aubameyang gave Arsenal fans renewed belief they can get back in the top four this term with a typically predatory second-half finish to give the north Londoners a winning start.
Arsenal had a wretched away record last season, keeping just one clean sheet on their travels, so taking three points without conceding was the perfect way to turn over a new leaf.
Their often-criticised defence held firm, with centre-backs Calum Chambers and Sokratis keeping Newcastle at bay.
Aubameyang's strike ruined Newcastle manager Steve Bruce's first match in charge of the club he supported as a boy.
Bruce left second-tier Sheffield Wednesday to join Newcastle in the close-season following the departure of fan favourite Rafael Benitez, who had grown tired of a lack of backing from controversial owner Mike Ashley.
Bruce's appointment was hardly greeted with widespread joy on Tyneside and the season started with Newcastle fans staging a protest against Ashley in the streets and then boycotting the match in large enough numbers to leave numerous empty seats around St James' Park.
Emery's decision to leave new signings David Luiz, Dani Ceballos and Nicolas Pepe on the bench was rewarded by a determined, if only sporadically cohesive, display from his team.
There were starts for 19-year-old academy graduates Reiss Nelson and Joe Willock, but Mesut Ozil and Sead Kolasinac were absent after two men were arrested following a fresh incident after the pair were the victims of an attempted car-jacking in July.
- Cool finish -
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Joelinton made his first Newcastle start after his club-record ?40 million switch from Hoffenheim and the Brazilian striker needed to impress to lift the gloomy mood on a rainy day in the north-east.
He had his first sights of goal when he flicked a header just wide from Matt Ritchie's cross and then blasted straight at Arsenal keeper Bernd Leno.
Jonjo Shelvey went even closer for Newcastle as the midfielder hit the outside of a post with a stinging strike.
Henrikh Mkhitaryan squandered a golden chance to give Arsenal the lead, the unmarked midfielder firing wildly over the bar from 10 yards.
After a quiet start, Arsenal star Aubameyang, the joint top-scorer in the Premier League last season, sprang to life when he tested Martin Dubravka with a powerful strike after superbly controlling Mkhitaryan's long pass.
It was a warning that Newcastle failed to heed as Aubameyang put Arsenal ahead in the 58th minute.
Ainsley Maitland-Niles was the provider, making a timely interception of Paul Dummett's under-hit pass to Jetro Willems and surging away from inside his own half.
Unfurling a pin-point pass that curled over the back-tracking Newcastle defence, Maitland-Niles found Aubameyang in space and the Gabon striker took a touch before clipping his cool finish past Dubravka.
Ivory Coast winger Pepe, Arsenal's 72 million pound club-record signing, and Spanish midfielder Ceballos, on loan from Real Madrid, came off the bench for the last 20 minutes.
The new boys didn't make much of an impact as Arsenal's much-maligned defence took the plaudits.
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