Prop James Slipper says Australia are ready to come out firing against Uruguay after licking their wounds following a loss to Wales.
Mario Ledesma sees Argentina's Rugby World Cup meeting with England as "one of the most important games" in their history.
Ireland head coach Joe Schmidt says Johnny Sexton will be fit to face Samoa despite playing just one half of the win against Russia.
Ireland lacked fluency in an unconvincing win over Russia, but responded to their loss to Japan by claiming maximum points.
Jacques Brunel has tinkered with his half-back pairing again for the match against Tonga, Baptiste Serin and Romain Ntamack starting.
Mario Ledesma found no place for experienced fly-half Nicolas Sanchez in the Argentina squad for the showdown with England.
England are boosted by the return of fit-again duo Jack Nowell and Mako Vunipola when they attempt to make it three wins out of three.
Fiji were a class above as they claimed their first win at the 2019 Rugby World Cup on Thursday.
South Africa's powerful pack will be expected to lay the foundations when the Springboks face Italy in a crunch World Cup clash.
The experience of team-mates Dane Haylett-Petty and Kurtley Beale can help out Australia debutant Jordan Petaia, Michael Cheika said.