England delivered a command performance to delight a sun-drenched Twickenham on Saturday as they ran in eight tries in a record 57-15 rout of Ireland in a World Cup warm-up that would have had their coach Eddie Jones drooling.

England combined slick passing and powerful running to hammer Ireland by a record 57-15 in brilliant London sunshine on Saturday, reminding their World Cup opponents of the threat they pose when fully firing.

A much-changed Scotland bounced back strongly from last week's thrashing by France by winning the return fixture 17-14 at Murrayfield on Saturday, though neither team will take much joy from what was a scrappy World Cup warm-up clash.

South Africa wing Aphiwe Dyantyi has tested positive for an unspecified banned substance but denies wrongdoing and has requested his B sample to analysed.

A much-changed Scotland bounced back strongly from last week's thrashing by France by winning the return fixture 17-14 at Murrayfield on Saturday, though neither team will take much joy from what was a scrappy World Cup warm-up clash.

The thatch of grey hair swept back from the forehead of Adam Ashley-Cooper is one of the more obvious reminders of the longevity of one of the most versatile players to ever pull on the gold Australia jersey.

Scotland captain Greig Laidlaw has urged his team mates to forget their lacklustre performance against France in Nice last weekend as they prepare to host the same opponents at Murrayfield on Saturday.

An upbeat Michael Cheika said he had no concerns about the fitness of David Pocock after naming the loose forward in his World Cup squad on Friday but the Australia coach would not be drawn on how he planned to use him.

Australia coach Michael Cheika named David Pocock in his World Cup squad on Friday despite concerns over the loose forward's fitness ahead of the global showpiece in Japan.

* Mako Vunipola on the bench after injury absence (Adds quotes)