He sealed Australia's 17–13 Under 19 final win over New Zealand with a late drop goal and was later nominated for the International Rugby Board's Under 19 Player of the Year.

[1] Fainga'a made his Super 14 debut for the Brumbies against the Bulls in 2007 after recovering from a Lisfranc fracture in his left foot and added a further two caps during the season, coming off the bench against the Stormers and Sharks.

[3] A confident ball player and punishing defender, Fainga'a was called into the Australian Sevens side for the final two tournaments of the 2007 World Series in London and Edinburgh.

[1] He played in all eight matches for the Canberra Vikings in the Mazda Australian Rugby Championship, taking on the goal kicking duties at the back end of the season.

He played in 16 matches of the Reds 2011 Super Rugby title-winning season in including the semi-final win over the Blues and final victory over the Crusaders.