William Eric Gallas (born 17 August 1977) is a French former professional footballer who played as a defender. He played most of his footballing career in France and England before finishing his career in Australia with A-League club Perth Glory. Gallas began his career in France, before being signed by English club Chelsea in 2001. He transferred to Arsenal as part of an exchange deal in 2006. He then signed for rivals Tottenham Hotspur in 2010. While his career has been successful, including Premier League titles in 2005 and 2006, Gallas has also had controversy due to on-field behaviour and friction with other personnel. In 2007, he was named Arsenal's captain, but was removed from the role during the 2008–09 season after criticising teammates in a media interview. He left Arsenal at the end of the 2009–10 season, when his contract expired, later signing for rivals Tottenham. He was released at the end of the 2012–13 season when his contract expired. He retired from professional football on 16 October 2014. Background Gallas was born in Asnières-sur-Seine. He is the cousin of the deceased former footballer Ludovic Quistin and of Mathieu Bastareaud, a French rugby union centre playing for Lyon. Club career Early career A graduate of the French football academy at Clairefontaine, Gallas started his professional career at second division Caen, helping them to promotion as champions in 1996. He subsequently transferred to Marseille in 1997, where he played for four seasons. He made his debut in the UEFA Champions League for Marseille, scoring his first goal in European competition in a 1–0 win over then European champions Manchester United at the Stade Vélodrome in October 1999. Chelsea Chelsea manager Claudio Ranieri bought Gallas from Marseille in 2001 for £6.2 million. He chose the number 13 shirt because it was his postcode back where he lived in Marseille. Under Ranieri, Gallas developed centre-back partnerships with Marcel Desailly and later with John Terry. His partnership with Terry included a run of 16 games without conceding a goal. He also played as a left-back at times. It was with Chelsea and under Ranieri where Gallas obtained his first international cap for France. Gallas made his debut as a substitute for John Terry against Newcastle United in August 2001. His first goal followed in the FA Cup against Tottenham Hotspur. Chelsea ended up reaching the 2002 FA Cup Final in which Gallas started,