All Blacks coach Dave Rennie says the Springboks series kicking off on Sunday is going to be a lot tougher than a world cup. The squad has made light work of the South Africa tour so far - remaining undefeated in three outings. However, tour-ending injuries and mind games from the hosts are testing the team before the first whistle blows at Ellis Park. Rugby reporter Joe Porter spoke to Lisa Owen from Johannesburg.
