Mikel Arteta acknowledged that Arsenal had a point to prove against Sporting after losing their last two matches and believes that Kai Havertz’s late winner could prove to be a “big moment” in their season.

Arsenal had David Raya to thank for making three superb saves that kept the scores level before Havertz came off the bench to seal a priceless away victory. It was a huge relief for Arteta, who had urged his players to rediscover their identity after they suffered back-to-back defeats for the first time this season against Manchester City in the Carabao Cup final and Championship side Southampton in the FA Cup.

While Arsenal were far from their fluent best against opponents who are unbeaten in their past 23 league matches, their manager was delighted with the spirit they showed to come away with a victory.

“I’m extremely happy – it was a big night, a big moment in the season,” said Arteta, who celebrated Havertz’s strike by charging out of his technical area in celebration. “Especially where we’re coming from. I think we had a point to prove. Yesterday I talked about identity and the things that I wanted to see on that pitch....