Arsenal could be set to let go of several players in and around the first team as Mikel Arteta aims to improve the depth of his squad. The Gunners fell just short of Manchester City in the title race, and a lack of rotation may have played its part, with Pep Guardiola choosing to shuffle his pack more than Arteta over the course of the season. One position Arsenal did consistently rotate in was at left-back, but not necessarily by choice. Injury problems suffered by Oleksandr Zinchenko, Takehiro Tomiyasu and Jurrien Timber meant that Jakub Kiwior earned an extended run in the side. Although pr…