Career
He plays Number Eight and has also played for the Wallabies. From his debut in 2000 Lyons played 83 consecutive games for the Waratahs, a record for an Australia player. His run ended when a knee injury forced him to miss the start of the 2007 Super 14 season.
Lyons signed a 4-year contract with Welsh team the Scarlets for the 2008-2009 Magners League season, debuting against Bath Rugby in August 2008.
In his first season he remarkably started in all 30 of the Scarlets" league and cup matches. In July 2009 Lyons became vice-captain of the Scarlets for the 2009-2010 Magners League season.
He had previously captained the side in two matches at the end of the 2008-2009 season However, due to an injury to regular skipper Mark Jones, he led the side for most of the season and eventually took over the captain"s armband for the 2010-2011 Magners League season. On 15 June 2011, Lyons was released by the Scarlets at the end of his third season with the club
The next day, he signed a contract with Stade Français.
Lyons played for the Barbarians against the Wallabies at the Sydney Football Stadium in June 2009.