Breyton Paulse: Former Springbok previews All Blacks-South Africa, keys to Rugby World Cup build-up

Former South African rugby international Breyton Paulse - who scored 26 tries in 64 test matches played between 1999 and 2007 - joins Martin Devlin on It's Only Sport, ahead of this weekend's blockbuster Rugby Championship clash between the All Blacks and Springboks at Mount Smart Stadium. Paulse shares his thoughts on the South African 23 named for the match and whether it's their best side, how they're tracking ahead of the Rugby World Cup, the changes South African rugby has gone through over the years, and more.