Career
He plays at second-row and property Born in Taree, New South Wales, Barnett played his junior rugby league for the Wingham Tigers, before being signed by the Newcastle Knights. Early career
After playing in the lower grades at the Newcastle Knights, Barnett joined the Canberra Raiders.
In 2013 and 2014, he played for the Raiders" New York City team
2015
In 2015, Barnett graduated on to the Raiders" New South Wales Cup team, Mount Pritchard Mounties. On 10 April, he re-signed with the Raiders on a 2-year contract.
On 3 May, he played for the New South Wales Residents against the Queensland Residents. In Round 22 of the 2015 NRL season, he made his NRL debut for the Raiders against the Wests Tigers.