Australia endured a miserable 2018 and there is no room for error in a World Cup year. But can their mixed bag of a squad succeed?
New Zealand, Australia, South Africa and Argentina will all hope to find form at the tournament ahead of the Rugby World Cup in Japan.
Sevu Reece is among the Rugby World Cup hopefuls who will look to make their mark in a shortened Rugby Championship.
Set for a first Wallabies appearance in six years, James O'Connor has agreed a contract that includes behavioural clauses.
An immediate Wallabies recall could come the way of James O'Connor after he signed a two-year deal with the Reds and Australian Rugby.
Bernard Foley is reportedly set to move to Japan's Top League following this year's Rugby World Cup after departing the Waratahs.
Beauden Barrett, 28, will remain in New Zealand until after the 2023 Rugby World Cup but has agreed a Super Rugby switch to the Blues.
England's injury-hit hooker Dylan Hartley may not feature in the Rugby World Cup after being left out of Eddie Jones' training squad.
Rob Baxter is not putting a timescale on how long Jack Nowell will be out, but does not believe he is a Rugby World Cup doubt.
Toulon-bound back Nehe Milner-Skudder will not give up in his bid to play in the World Cup despite requiring more surgery.