Freddie Ljungberg

On 27 December 2010, former Arsenal hero and Swedish international Freddie Ljungberg joined Celtic on a week-long trial. After a successful trial, Ljungberg officially signed a contract with the club on 30 December 2010. Ljungberg made his debut for Celtic away to Berwick Rangers in the Scottish Cup on 9 January 2011, playing over 60 minutes and helping his team to a 2–0 victory.