He made his Ireland debut against France as a substitute on 13 August 2011.
His Ireland debut followed later the same month when he played against Scotland in a first-class match.
He made his League of Ireland debut three days later.
He made his League of Ireland debut for Derry on 17 March 1991.
Wallace made his Ireland debut against Argentina on 3 June 2000.
Walsh made his League of Ireland debut on the 3rd of October 1976.
He made his League of Ireland debut on the 6 September.
Humphreys made his Ireland debut against France on 17 February 1996.
He made his Ireland debut against France on January 23, 1965, scoring a try in the game.
This year, more than 200 exhibitors are taking part, with some making their Northern Ireland debut at the show.