Arteta hails Arsenal’s maturity after beating ‘one of best teams in the world’

Arsenal ‘put stamp’ on Europe in win against PSGJurriën Timber subbed at half-time due to muscle injuryMikel Arteta praised Arsenal’s growing maturity after their clinical victory over Paris Saint-Germain kickstarted their Champions League campaign.A header from Kai Havertz and a free-kick from the stand-in captain, Bukayo Saka, in the first half sent Arsenal on their way to a win against the French champions as the summer signing Mikel Merino made his debut after recoveri