Justin Marshall: Former All Black previews titanic South Africa-Ireland match at Rugby World Cup

Justin Marshall, iconic All Blacks halfback and broadcaster for SuperSport at the Rugby World Cup, joins Martin Devlin on It's Only Sport to preview a massive weekend coming up at the Rugby World Cup. In arguably the most anticipated pool match of the tournament, South Africa play Ireland in what will likely decide the top seed in pool B. Justin breaks down how both teams have played and how they'll approach the game. As well as that, he and Marty chat other games including Wales' clash with the Wallabies.