World Rugby chief executive Alan Gilpin said staging the Rugby World Cup every two years instead of every four is an "interesting concept".
On this week's Will Greenwood Lions podcast, he welcomes the Beast and Raging Bull: otherwise known as Tendai Mtawarira and Phil Vickery.
The 2023 Rugby World Cup in France has been extended by one week to allow all teams at least five days preparation before pool matches.
New Zealand's Dan Carter has retired from professional rugby, bringing an end to an illustrious career that spanned nearly two decades.
England have been drawn with France, South Africa and Fiji in pool C at the Rugby World Cup 2021.