Arsenal’s defensive woes reared their head again as Borussia Dortmund stormed to a 3-2 win at the Emirates to lift this year’s Emirates Cup. It wasn’t for want of trying at the other end. Viktor Gyokeres came agonisingly close to pulling one back before the interval, only for his effort to crash off the crossbar, as Arsenal squandered chance after chance without reward. With the Community Shield clash against Manchester City in Cardiff just a week away, Arteta now has plenty of fire-fighting to do before the real business begins. AdvertisementThere was, however, a silver lining for the Emirates faithful – new signing Bruno Guimaraes was unveiled to the crowd before kick-off, and on the evidence of Sunday’s defending, his arrival couldn’t have come at a better time.