Has Arsenal been figured out? Three big questions after Brighton’s upset

Arsenal were overrun by Brighton in a 3-0 loss this past weekend.Photograph: Simon Dack/TPI/ShutterstockBefore this past weekend, Arsenal had not lost in the Premier League since April. Nine straight league wins had been enough to crown the Gunners as champions at the end of last season and firmly establish them as the team to beat early this season.Against Brighton on Saturday, though, the team to beat were beaten. Thoroughly.Arsenal weren’t just pecked by the Seagulls. They were pressed