Arsenal's season did not begin in the manner they would have hoped.
It was a demoralising day at the Emirates Stadium as the Gunners crashed to a 3-1 defeat to Aston Villa.
Arsenal supporters would have spent months dreaming of an opening day win capped by the unveiling of some exciting new signings. Instead, their fans' worst fears were confirmed as a paper-thin Arsenal squad struggled to cope with Villa's incisive counterattacking game.
Go to the next slide to discover the five lessons Arsenal will have painfully learnt from this game.