Matt Giteau admits Toulon will need to up their game in next month's Twickenham showdown against Clermont Auvergne.
Leicester have signed Australia wing Peter Betham from Super Rugby champions the Waratahs for next season.
London Irish have signed second row Eoin Sheriff from Aviva Premiership rivals Saracens for next season.
Leigh Halfpenny kicked Toulon into the Champions Cup final at Twickenham as they beat Leinster 25-20 after extra-time.
Post-match reaction to Toulon's 25-20 victory over Leinster.
Saracens bowed out of the European Champions Cup as they lost 13-9 to Clermont Auvergne in France.
Post-match reaction to Clermont Auvergne's 13-9 victory over Saracens.
Gloucester produced their best performance of the season to beat Exeter 30-19 and qualify for the Challenge Cup final.
Post-match reaction to Gloucester's 30-19 victory over Exeter.
London Welsh have announced a contract extension for their former England international back Olly Barkley.