Journalist James McNicholas believes that one Arsenal star has undergone a transformation over the course of this season. This Arsenal team as a whole has evolved as the season has gone on. In the first part of the campaign the Gunners were largely functional, but far from being at their most fluid. The attacking contingent of Mikel Arteta’s squad, in particular, took some time to gel and really get firing on all cylinders. Everything changed for the North London club after their mid-season break in Dubai. Despite not being at their most cohesive, Arsenal found themselves at the top of the Pre…