Mikel Arteta is "really pleased" with his side after the Gunners claimed their biggest ever Premier League away win.
MATCH REPORT: West Ham 0-6 Arsenal
Watch Premier League highlights on Match of the Day on BBC iPlayer.
Available to UK users only.
Related Topics: Mikel Arteta, Arsenal, West Ham United Football Club
Mikel Arteta is "really pleased" with his side after the Gunners claimed their biggest ever Premier League away win.
MATCH REPORT: West Ham 0-6 Arsenal
Watch Premier League highlights on Match of the Day on BBC iPlayer.
Available to UK users only.