England referee Wayne Barnes will retire following next year's Rugby World Cup in Japan.
Under-fire Wallabies coach Michael Cheika has the full support of the Rugby Australia board and will see out his contract, according to CEO Raelene Castle.
The Springboks have dropped to seventh in the World Rugby rankings, equalling their lowest position since the ranking system was created in 2003.
First five Nicolas Sanchez scored 17 points to inspire Argentina to only their fourth Rugby Championship triumph as they defeated South Africa 32-19.
The Wallabies could be searching for a new coach next month if Michael Cheika's side lose their next three tests.
Wingers Aphiwe Dyantyi and Makazole Mapimpi scored two tries each as South Africa rallied in the second half to beat Argentina 34-21.
England first five-eighth Danny Cipriani has been arrested and charged by police over assaulting a police officer at a nightclub in Jersey.
Beauden Barrett is a confirmed starter in a trimmed-down All Blacks team to face the Wallabies in Sydney.
Wallabies skipper Michael Hooper has signed a five-year contract deal tipped to be worth about $6 million.
Six uncapped rookies feature in Michael Cheika's Wallabies train-on squad for this month's Bledisloe Cup and Rugby Championship opener against the All Blacks.
Team USA rugby wing Carlin Isles had never heard of the sport until six years ago when he came across a video of it online but now believes it's poised for a breakthrough in the US.
Former Wales captain Sam Warburton has retired from rugby union at the age of 29 after failing to return to peak fitness following neck and knee surgery.
Rescuers have freed the last four of 12 Thai boys and their football coach from deep inside a flooded cave - a successful end to a perilous mission that gripped the world for more than two weeks.
England ended their five-match winless run with a deserved 25-10 victory over South Africa in the third and final test at a wet and windy Newlands.
Ireland earned a landmark 20-16 win over Australia on Saturday as Jonny Sexton's boot helped them secure their first away series victory over the Wallabies in 39 years.
England's poor discipline has led to a series loss against South Africa and a fifth straight test defeat.