Clarke recently underwent a short trial at Newcastle United as he started and provided an assist in a game against Sunderland Under-18s. The Magpies have failed to convince the youngster to complete a move to Tyneside, though, as he’s opted for North London instead.
The Welshman leaves Wanderers having made 18 appearances in the Under-18 Premier League across the past three seasons. Capable of playing at centre-back or right-back, he could one day provide Arsenal some useful versatility in defence.