Career
His junior club was Shirley before he was poached by the Papanui Tigers as a 9 year old in the Canterbury Rugby League competition. Sa was previously a part of the Sydney Roosters before his bad behaviour had cost him his contract at the club He has also represented Samoa on 5 occasions scoring 4 tries.
In 2006 he was selected for the New Zealand Tri-Nations squad but was not selected for any of the matches in the series.
In 2007 he was in running to be selected for New Zealand again but missed out through injury along with Kiwi international and Sydney Roosters teammate Iosia Soliola. He was called up for the 2008 ANZAC day test at the Structural Civil Geotechnical. He is eligible to represent Samoa.
FG debut: Round 7 2006 v. Street George Illawarra Dragons Samoan National team New Zealand Tri-Nations squad
In August 2008, Sa was named in the New Zealand training squad for the 2008 Rugby League World Cup, and in October 2008, he was named in the final 24-man Kiwi squad.
On 30 August 2009, Setaimata Sa was charged with assault, resisting arrest, malicious damage and failure to leave a licensed premises, after a drunken episode in a Sydney hotel.
He played for the Catalans Dragons in 2010 after sealing a release from the final two years of his Roosters contract. The deal was a part exchange transfer involving Jason Ryles moving in the opposite direction. In 2014 Sa moved to Hull Football Club on a contract until the end of 2015.
When at Shirley Boys" High School in Christchurch he played Rugby for the school"s first XV. In 2012 Sa signed a contract to switch codes and play rugby union for the London Irish club, which was finally completed in January 2013 after he received a work permit.
On 9 November 2012 he made his debut for the Samoan national team against Canada.