With less than a week until the transfer window slams shut, Edu and Arsenal still have a number of deals to get over the line. Mikel Arteta’s Arsenal squad has been strengthened in the form of Riccardo Calafiori’s arrival, but there could be two or three deals still to go. Mikel Merino completed his Arsenal medical on Sunday, another superb signing who will add much needed strength in depth to Arteta’s midfield. But beyond the pair who have been spoken about a lot this summer, Arsenal also still want to add another forward to their squad. Arteta isn’t looking for someone who will immediately d…