When Armstrong was attending University of Limerick he played the 2010-11 All-Ireland League rugby season for Shannon.
Louis Armstrong | Sean Connery | Lance Armstrong | Neil Armstrong | Sean Combs | Sean Penn | George Armstrong Custer | Sean McKeown | Sean Hannity | The Sean Hannity Show | Armstrong Whitworth | Sean Paul | Armstrong | Sean Bean | Sean Parker | Sean Lennon | Sean Kingston | Sean Astin | Jay Sean | Armstrong College | Sean Pertwee | Sean O'Keefe | Sean Long | Gillian Armstrong | Sean S. Cunningham | Sean Price | Sean Patrick Thomas | Sean Fagan | John Armstrong | Big Sean |
Minor and U21 finals are regularly contested but the Club did however need to wait under 2005 to win its next County title which was followed by an All Ireland Club title on St Patricks Day in 2006 against St Galls of Antrim, players starring on this team included Finian Hanley, Seán Armstrong, Michael Donnellan, Maurice Sheridan, Séamie Crowe, Alan Kerins to mention only a few.