Arsenal under-21’s 4-2 victory against Boreham Wood in pre-season’s traditional curtain raiser may have been a real eye-opener for Mikel Arteta. The club chose against involving any senior players for minutes, unless Charlie Patino is now considered in that regard. Patino started alongside the likes of Charles Sagoe Jr and Khayon Edwards – two other big talents in the academy. In that respect, the match served as a bit of a Hale-End all-stars game, with Ethan Nwaneri and Myles Lewis-Skelly also entering the game in the second half. And although the game was predominantly of use to under-21 coa…