LONDON, ENGLAND - OCTOBER 31: In this handout photograph provided by World Rugby, Richie McCaw of the New Zealand All Blacks is congratulated by John New Zealand Prime Minster John Key in the dressing room following the victory against Australia in the 2015 Rugby World Cup Final match between New Zealand and Australia at Twickenham Stadium on October 31, 2015 in London, United Kingdom. (Photo by Handout/World Rugby via Getty Images)