Adrian Jarvis is handed the fly-half reins by London Irish coach Toby Booth as the Exiles tackle Harlequins at Twickenham (kick-off 2pm).
Saracens begin the defence of their Aviva Premiership title on Saturday when they face Wasps at Twickenham as part of the London Double Header.
Leicester hand debuts to summer signings Mathew Tait, Julien Salvi and Kieran Brookes against Exeter on Saturday (kick-off 3pm).
Scotland head coach Andy Robinson was pleased with the joint training session his team held with Canada as the days count down to their World Cup opener against Romania next Saturday.
New Zealand, desperate to end a 24-year World Cup drought, will have no hesitation in adapting their tactics if it means they can get hold of the Webb Ellis Cup.
Saracens have three new signings among their replacements for the Aviva Premiership opener against Wasps on Saturday (kick-off 4.30pm).
Fiji, Tonga and Samoa have overcome obstacles simply to compete at the World Cup but now that they are there they will relish exhibiting their considerable skills while enjoying some good support.
Worcester coach Richard Hill will blood a number of summer recruits when they face Sale on Saturday (kick-off 3pm).
After securing third place at the last World Cup Argentina have a hard act to follow in New Zealand, and their credentials will be seriously tested in their opening game once more this year.
Fact files on countries competing in the 2011 World Cup in New Zealand.
As the autumn leaves start rattling off trees, France's Top 14 goes into its second round of matches after the series of home victories in Round 1. It is a difficult times for clubs with so many players away at the World Cup playing for France and other countries. And then there are injuries already from the first round.
Griquas coach Abré Minnie has been forced to make major changes to his backline for the Currie Cup match against Western Province at in Kimberley on Saturday, with Riaan Viljoen playing at flyhalf.
There was something typically American about the United States squad turning down a ceremonial ride in a Maori canoe because they thought that part of their welcome from the city of Wanganui didn't sound safe.
Now that Philippe Saint-André is to take over the coaching of France in succession to Marc Lièvremont, Toulon are looking for a coach and this week's approach failed.
The Cheetahs have managed to secure the services of star Springbok flank Heinrich Brüssow for another two seasons thanks to valuable input from coach Naka Drotské and some Bloemfontein businessmen.