Australian scrum-half Nick Duffy played in Major League Rugby during the 2024 season. He represented the San Diego Legion for his entire MLR career.

Duffy played his club rugby with the Northern Suburbs in Australia’s Shute Shield competition between 2017-2023, earning over 100 appearances with the first team. He also represented the Sydney Rays in the National Rugby Championship in 2018 and 2019.

Duffy’s signing was announced by the San Diego Legion on 14th December 2023, ahead of the 2024 MLR season.