He has played in the National Rugby League (NRL) for the North Queensland Cowboys and the Wests Tigers.

[2] Gallant played junior Rugby league with the Narellan Jets and Campbelltown City Kangaroos,[3] and joined the Western Suburbs Magpies when he was 13 years old.

[2] Gallant made his NRL debut for the Wests Tigers (a joint venture between Western Suburbs and Balmain) in 2007, and went on to play 12 games there in three seasons.

[5] Gallant re-emerged in 2014 as a member of the Newtown NSW Cup side, the reserve grade team for NRL club Sydney Roosters.

[10] Gallant went on to win the Sydney Shield with East Campbelltown, his first premiership victory in his 16-year playing career.