Abbott competed at the 2008 Summer Olympics where he won a bronze medal. In Australia's first game at the 2008 Games, he scored three goals in the game against Canada. He was the first Aboriginal to represent Australia at the Games in men's field hockey. He scored a goal in the bronze medal game against the Netherlands in the country's 6–1 victory. New national team coach Ric Charlesworth named him, a returning member, alongside fourteen total new players who had few than 10 national team caps to the squad before in April 2009 in a bid to ready the team for the 2010 Commonwealth Games. He did not compete at the Azlan Shah Cup in Malaysia in May 2011 because he was injured. In December 2011, he was named as one of twenty-eight players to be on the 2012 Summer Olympics Australian men's national training squad. This squad will be narrowed in June 2012. He trained with the team from 18 January to mid-March in Perth, Western Australia. He was one of two players from the Northern Territory named to the squad. In February during the training camp, he played in a four nations test series with the teams being the Kookaburras, Australia A Squad, the Netherlands and Argentina. He missed part of the training camp because of a strained quad.
In 2009, he was nominated for the Qantas NT Sportsperson of the Year. He was nominated as the International Hockey Federation 2008 Young Men's Player of the Year, where he finished second.