Billy Vunipola took some big hits in England' Rugby World Cup opener against Tonga, but has been named to start against the United States.
Henry Pyrgos has replaced Ali Price in Scotland's Rugby World Cup squad, after the scrum-half was ruled out of the rest of the tournament.
Wales have called up experienced lock Bradley Davies in place of the injured Cory Hill, who will play no part in the Rugby World Cup.
England coach Eddie Jones has named a much-changed side for Thursday's Rugby World Cup encounter with the United States in Kobe.
Wales were not always at their best in a 43-14 win over Georgia, but Warren Gatland is full of confidence ahead of a clash with Australia.
Uruguay begin their Rugby World Cup campaign against a Fiji side that have made wholesale changes after their defeat to Australia.
Gareth Davies put in an inspired first-half display as Wales got their Rugby World Cup up and running with a 43-14 triumph over Georgia.
Israel Folau, who was sacked by Rugby Australia, will return to Rugby League to play for Tonga.
After Fiji referred a Reece Hodge tackle, Wallabies head coach Michael Cheika was unhappy.
The Springboks called up Thomas Du Toit to replace the injured Trevor Nyakane at the Rugby World Cup.