Browne most recently played professionally for Irish provincial side Connacht Rugby.
His older brother Damian Browne is also a rugby player, and formerly played for Connacht and Leinster.
[4] A product of the province's academy, Browne made his senior debut for Connacht in the 2006–07 Celtic League, coming on as a replacement against the Cardiff Blues on 7 April 2007, in a match that finished level, at 16 points apiece.
He featured in all seven of the province's 2008–09 Challenge Cup games, starting in five of them, including the quarter-final clash with Northampton Saints.
[9] Browne played in only two games in the 2009–10 European Challenge Cup as Connacht reached the semi-finals.
He played in all six of the team's games in the 2010–11 Challenge Cup, but Connacht failed to progress from their group.
[7] Browne signed an extension to his Connacht contract in March 2013, agreeing to stay with the team until the end of the 2014–15 season.
[6] He featured in four of Connacht's six pool games in the 2014–15 Challenge Cup however, and started in the quarter-final defeat to Gloucester.