Having recorded another bonus-point win, Italy's players will be given a chance to let their hair down before facing South Africa.
Ireland coach Joe Schmidt has made four changes for the Pool A clash against hosts Japan, with Jack Carty starting at fly-half.
Among the favourites to win the Webb Ellis Cup, England do not have a glaring weakness in their team, according to USA coach Gary Gold.
Esteban Meneses challenged Uruguay to keep showing their progress against Georgia after stunning Fiji at the Rugby World Cup.
Uruguay's first Rugby World Cup win for 16 years, as they shocked Fiji 30-27, left captain Juan Manuel Gaminara visibly emotional.
Reece Hodge will miss Australia's Rugby World Cup matches against Wales, Uruguay and Georgia through suspension.
Uruguay claimed their third Rugby World Cup win with a shock victory over Fiji.
Schalk Brits will start at number eight for a much-changed Springboks side against Namibia.
Despite Israel Folau's announcement, the ex-Australia rugby union international is awaiting approval to represent Tonga in rugby league.
Only five players who started against Namibia remain for Italy's clash with Canada in Pool B on Thursday.