Career
Marshall, who is a creative influence with strong playmaking skills, enjoyed a breakthrough season in 2010/11 and went on to represent in the under-20 World Championships. His progress with Ulster was rewarded with a call up for the Irish squad for the 2012 Autumn Internationals. Marshall played for in the non-test level international match against Fiji in November 2012.
Marshall made his senior debut for on 24 February 2013, starting in the defeat against Scotland in the 2013 Six Nations Championship.