If Mikel Arteta had been making a checklist of what Arsenal needed from Dinamo Zagreb's to the Emirates Stadium. it might have looked a little something like this: the three points that would take them to the brink of the round of 16,

Goal! Arsenal 2, Dinamo Zagreb 0. Kai Havertz (Arsenal) header from the centre of the box to the high centre of the goal. Assisted by Gabriel Martinelli with a cross.