Never say never.

There could be some major movement in the World Rugby Rankings come Monday with the Rugby Championship set to kick off this weekend.

Australia take on South Africa in the curtain raiser, with that game not of huge significance in terms of the rankings, but the game that follows certainly can.

If number one ranked New Zealand are defeated by Argentina by over 15 points this evening – Grand Slam champions Wales will officially become the number one ranked team in the world.

A big if yes, but the Pumas are at home and the All Blacks have gone for a bit of an experimental line-up with no less than five uncapped players in Steve Hansen’s squad.

And let’s not forget the Jaguares reached the Super Rugby final – although they were well beaten in the end by a New Zealand side in the Crusaders. Either way Welsh fans will want to watch this one.