Fabio Vieira, on his full league debut, produced a brilliant strike from outside the area shortly after the interval to make it 3-0 and send Arsenal back up on the log.
Arsenal restored themselves back to the top of Premier League log with a comfortable victory over Brentford on Sunday afternoon to make it an impressive six wins from seven games.
Defender, William Saliba opened the scoring for the gunners away to brentford through a header. Gabriel Jesus doubles the lead for the Gunners to put them in control in the first half with well-taken headers.
The result saw Arsenal bounce back from their 3-1 defeat by Manchester United in emphatic fashion to make it six wins from their opening seven games.
15 year old Nigerian, Ethan Nwaneri becomes youngest ever player in the English Premier League. He made his debut in an away win against Brentford.
Fabio Vieira was a replacement for injured captain, Martin Odergaard and he slotted in well into the role producing a goal to top the brilliant display.