Mikel Arteta has now laid down a challenge to one Hale End academy starlet who is close to making a first-team breakthrough at Arsenal. Mikel Arteta is keen to see one wonderkid step up at Arsenal. The north London club have had a number of homegrown success stories in recent years. Bukayo Saka, Eddie Nketiah, Emile Smith Rowe, and Reiss Nelson are all academy graduates who currently hold a place in Arteta’s first-team squad. Beyond that quartet, the Gunners were also able to recently fetch a decent fee for Folarin Balogun. In Ethan Nwaneri, Arsenal believe they have another future star on the…