Although the summer transfer window has shut, Premier League clubs such as Arsenal are still seeing youth moves take place. On Wednesday, a player who came through the ranks at Hale End left the Gunners to link up with a Premier League rival. Owen Asemota, a 16-year-old goalkeeper who has been plying his trade for Arsenal’s Under-18s, has swapped Hale End for Aston Villa. The official Villans website confirmed that the England youth international has now linked up with their academy after leaving the Gunners. Asemota took to Instagram to bid farewell to Arsenal, hailing the “invaluable” suppor…