Daniel Tupou his Tongan international debut against Scotland on the wing in the 26-24 loss at Derwent Park. Tupou played in all of Tonga's 3 matches in the tournament. On 4 May, Tupou was selected played for NSW City in the City vs Country Origin match in Dubbo, New South Wales. He played on the wing and scored 2 tries in the 26-all draw. Tupou was selected to make his debut for the New South Wales Blues in Game 1 of the 2014 State of Origin series on the wing in the 100th State of Origin match in the Blues 12-8 win
Anthony Tupou September 2004 issue of "Big League" magazine, after making his début with the Roosters, Tupou claimed that growing up his favourite player to watch was Queensland legend Mal Meninga. He also claimed that the biggest influence on his football was his father and his club coach Ricky Stuart. At the end of that season he played for the Roosters from the interchange bench in their 2004 NRL grand final loss to cross-Sydney rivals, the Bulldogs. In 2005, Tupou made his representative début in the City vs Country Origin for the Country NSW team. At the end of the 2006 season,