Ex-All Blacks star Murray Mexted is convinced that the knowledge Dave Rennie has gleaned from the Springboks series can propel them to Rugby World Cup glory.

The 62-year-old was only appointed in March and had his first game in charge in July where they defeated France 34-32.

New Zealand have had six more Test matches since then, including four against the back-to-back world champions South Africa.

They lost that series 3-1, despite taking the first Test in Johannesburg, and Mexted believes that is has been a very useful tour.

Finding the players who are Test quality

While their weaknesses have been

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