All Blacks wing Waisake Naholo has been ruled out of the World Cup with a leg injury.

Naholo cracked a fibula during his Test debut against Argentina in Christchurch on Friday and was not named in the squad travelling to South Africa for the All Blacks' next Rugby Championship match.

'He will be out for three months, which means he is going to miss the World Cup which is pretty disappointing for him and for us,' said coach Steve Hansen.

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