Sonny Bill Williams of New Zealand offloads in the tackle during the 2015 Rugby World Cup Pool C match against Argentina at Wembley Stadium. Photograph: Mike Hewitt/Getty Images

Sonny Bill Williams made an instant impact as New Zealand opened their World Cup defence with victory against Argentina, but says there is plenty of w(...)

Aaron Smith celebrates with his New Zealand team mates after scoring his side’s opening try in their Rugby World Cup match against Argentina at Wembley. Photo: Darren Staples/Reuters

New Zealand 26 Argentina 16 For a moment it seemed as if New Zealand might be about to go the same way as South Africa on Saturday. Down to 13 (...)

The New Zealand All Blacks during a gym session at Lensbury ahead of their World Cup opener. Photograph: Phil Walter/Getty Images

The New Zealand 23-man match squad contains 11 players who will take part in their first Rugby World Cup match when the reigning champions take to the(...)

 Rob Kearney scores against the All Blacks: “It’s very hard to find a weakness but they are beatable. Ireland players know this now.” Photograph: Dan Sheridan/Inpho 5:12

So the million dollar question: should Ireland coach an offloading policy at this World Cup? I don’t think you can. You are either intuitively good(...)

As in other sports, there’s nothing quite like it; the only tournament that brings all the leading and developing nations together on a relatively equ(...)

Quade Cooper  takes a high ball at Eden Park. Photograph: Getty Images

Casting Quade Cooper as villain of the piece is the easiest gig in Australian sports journalism in the wake of the Wallabies’ 41-13 Bledisloe Cup Test(...)

Richie McCaw picked up a record 142nd Test cap in New Zealand’s 41-13 win over Australia at Eden Park. Photograph: Getty

New Zealand 41 Australia 13 New Zealand roared to a 41-13 win at an emotional Eden Park to retain the Bledisloe Cup against an Australia side who had (...)

Australia tighthead prop Sekope Kepu runs in his side’s first try during the Rugby Championship victory over New Zealand  at ANZ Stadium  in Sydney. Photograph:  Cameron Spencer/Getty Images

Suddenly, Australia have emerged as a genuine force to be reckoned with at the World Cup. And, for the first time in a very long time, there are now s(...)

Australia coach Michael Cheika: “They’ve forced my hand to see if it can work. I believe it can.” Photo: Andrew Larrovere/AFP/Getty

Australia have taken a punt on back row pace being a decisive factor when they bid to unseat the champion All Blacks in a blockbuster Rugby Champio(...)

 Malakai Fekitoa scored the crucial try for New Zealand in Brisbane.  Photograph: Getty Images

Australia 28 New Zealand 29 New Zealand scored and converted a last-gasp try to seal a dramatic 29-28 victory over Australia in Brisbane on Saturday i(...)