Career
Giddens made his debut for Hawkes Bay during the 2007 Air New Zealand Cup, and spent three seasons for the province as a regular starter, also serving occasionally as a goal-kicker for the squad. He helped the Magpies reach the semi-finals of the Air New Zealand Cup in each of his three years for the team Foreign the 2009-2010 season, Giddens moved to England, signing with Bristol Rugby of the RFU Championship.
After a season in Bristol, he moved to Lyons Piacenza in Italy for 2010-2011.
He started the first four matches of the season before being ruled out through injury.