Bournemouth 2 Arsenal 0: Saliba sent off, unbeaten start over and hosts’ set-piece magic

“For the third time in eight games this season, Arsenal had to navigate a large chunk of a Premier League match with 10 men — but for the first time it cost them as their unbeaten start to the campaign came to an end at Bournemouth. William Saliba’s 30th-minute dismissal — given after a VAR review — for bringing down striker Evanilson meant Mikel Arteta had to adapt his game plan, something he had to do in draws with 10 men against Brighton & Hove Albion on the opening day and Manchester City last month.