The Swede was an integral part of the Arsenal Invincibles side in that fateful 2003-04 season, making 30 appearances in England's top flight as the Gunners marched their way to the title.
A whole host of players appeared under Arsene Wenger during the Invincibles campaign. As is the case with Ljungberg, several have gone on to be regarded as Gunners legends, whereas others only made a fleeting impression at Highbury.
Here, Sports Mole challenges you to name the rest of the Arsenal squad from the 2003-04 campaign. Bear in mind, not all of these players made an appearance in the Premier League.