Australia's chances of toppling Argentina in Sunday's World Cup semi-final have improved after David Pocock and Israel Folau were passed fit for the Twickenham showdown.

Australia will delay naming their team for Sunday's World Cup semi-final against Argentina until this afternoon.

Heyneke Meyer has branded New Zealand the best side in rugby history - but still insisted South Africa can topple the defending champions in Saturday's World Cup semi-final.

Argentina are holding out hope that captain Agustin Creevy can shake off a leg problem and be fit for Sunday's World Cup semi-final with Australia.