A better United would've put Arsenal to the sword again like they did last season in this fixture.
Arsenal though......I know what they're going through because I support a club that also doesn't like to defend well. Vermaelen will get a lot of hate after that mistake he made, but I still rate him a good defender when he's on form, which he isn't. Poldolski was poor, Giroud got no service and Cazorla was very average. And then there's Wilshere, who is obviously not at all fit enough to influence games the way he used to and it showed big time.
Arsenal are always battling a litany of injuries, especially when it's time to face United at OT, but this was equally as poor as last season. Disappointing stuff. The scoreline doesn't tell even half the story here.