He previously played for the New Zealand Warriors and the Canberra Raiders in the National Rugby League (NRL).

Tupou attended Kelston Boys High School and played for the Bay Roskill Vikings and Marist Saints in the Auckland Rugby League competition.

[4] With the creation of the Toyota Cup in 2008 Tupou joined the New Zealand Warriors under-20 side and scored 14 tries in 19 games.

[6] In 2010 he trained during the pre-season with the senior side and was named to make his first grade début for the Warriors on 4 April 2010 against the Manly-Warringah Sea Eagles.

He had felt as though he was on the outer with the New Zealand Warriors under new coach Matt Elliot who had preferred others to him on the wing during the 2013 season.