His younger brother Dallan Murphy also became a professional rugby union player.

Murphy played club rugby for Brothers Old Boys, where, playing mainly at fullback, he was the club's all-time leading try scorer [citation needed] with 96 tries during his career there spanning eleven seasons.

After three seasons, including representing his country at the 2006 Commonwealth Games in Melbourne,[3] he refocused on fifteen-a-side rugby and signed with the Melbourne Rebels to play in the Australian Rugby Championship.

[4] Resuming his career with the national sevens team, Murphy was Australia's leading points scorer in the 2007–08 World Series.

[7] He joined the World Rugby Sevens Series referees panel for the 2016–17 season.