Arsenal manager Mikel Arteta has been criticised this season for failing to give opportunities to some of the rising stars within the Hale End academy. A late flurry of exits in the final days of the transfer window saw promising talents in Bradley Ibrahim and Lino Sousa among others depart on permanent deals. Earlier this season, the likes of Reuell Walters and Ethan Nwaneri were included in matchday squads in the Carabao Cup and in a dead-rubber Champions League tie against PSV Eindhoven, but all failed to reach the pitch ahead of fringe players such as Cedric Soares and Mohamed Elneny. Arte…