For me, buying a DM is just as important as any signing we make in attack. Our failure last season came down to poor performances in the big games and we need to alter our midfield in order to perform better next season.
In my opinion, we should be looking to use Ozil in a similar way that he has played for Germany in a wider role, and play Arteta, Ramsey and a more defensive player in midfield. Although it would mean a change in our shape, it would make us much stronger in defensive, whilst still enabling Ramsey and Ozil their freedom to play. Ozil playing in AM in big games puts far too much pressure on us, especially with Ramsey playing box to box and our problems won't simply be solved by signing a new midfielder. Our issues our down to tactics more than personnel.
As for Khedira, he was the best player on the pitch last night and would be perfect for us. Wenger won't go and sign a one dimensional midfield destroyer and Khedira could play a variety of roles in there. He and Ramsey would be great together.
