Arsenal now look to have not done enough business in the summer transfer window as a couple of unfortunate developments have rocked their season. The past week has been a rollercoaster ride of emotions for Mikel Arteta and Arsenal fans, and this weekend could yet bring even more controversy. A trip to the Tottenham Hotspur stadium is up next for a weakened Arsenal side who will be without Declan Rice and Martin Odegaard. Arteta managed to bring in the likes of Raheem Sterling and Neto on deadline day but the one signing they’ll now be wishing they made was a number 9. Kai Havertz is expected t…