Cohen Bramall pulled on an Arsenal shirt for the first time on Monday night just days after being plucked from non-League.
The 20-year-old defender, who made a shock £40,000 move from eighth-tier side Hednesford Town last week, made his first appearance for the Gunners in an Under-23 match at Southampton
Left back Bramall completed 83 minutes for Steve Gatting’s side in a 3-1 Premier League 2 win at Staplewood.
Jonathan Afolabi put Southampton ahead just before half-time with a fierce volley.