Conrad Smith: All Blacks legend on playing in RWC knockout matches & more

Two-time Rugby World Cup winner and one of the greatest ever All Blacks midfielders - Conrad Smith - joins Martin Devlin on It's Only Sport, ahead of New Zealand's World Cup semifinal against Argentina in Paris this weekend. Conrad Smith started in the 2011 and 2015 deciders that were both won by the All Blacks, and is known for his formidable midfield partnership with Ma'a Nonu. He talks to Martin about the preparation he personally went through for the two semis he played in, the mind games a player goes through before and during the match, and more.