Nash began his career in South Australia, where he played for the Central District Football Club.
In Essendon's round 16 win against Collingwood in 2005, defender Andrew Welsh was unable to take his place on the field.
Nash was called in to replace him only hours before the match was scheduled to begin and he was lined up against Collingwood's captain Nathan Buckley.
[1] Nash played 43 games and kicked ten goals during his career at Essendon.
[2] On 8 October 2009, Nash was traded to Port Adelaide in a four-team deal, which included Shaun Burgoyne.