Career
Fa'amatuainu's position of choice is as a Flanker (rugby). Fa'amatuainu enjoyed an outstanding 2007/2008 season for Bath Rugby and was rewarded with the award for the team's 'Most Improved Player'. He joined Scarlets on a season-long loan from Bath Rugby in July 2010 as he had seen little game time the previous season and would be further hindered by the arrival of Lewis Moody at Bath.