Premiership leaders Saracens claimed a 23-18 victory over Newcastle at Kingston Park.
Munster warmed up for their Heineken Cup semi-final against Toulon with a bonus-point 32-23 victory over provincial rivals Connacht.
Wasps seized the initiative in the battle for European qualification after sweeping Gloucester aside with a 38-30.
Edinburgh's European Rugby Champions Cup hopes suffered a major blow as they suffered a surprise 26-13 defeat to Zebre in Italy.
Sale kept a grip on sixth place in the Premiership with a 55-12 victory over Exeter at Sandy Park.
Bath left it until the 77th minute to claim the four-try bonus point as they overcame Worcester 32-20 at the Rec.
The Stormers ended a five-match losing streak in Super Rugby with an 18-3 victory over the Lions in Cape Town.
A late try from flanker Jean Deysel ensured the Sharks ground out a 19-8 win over the Cheetahs.
The Waratahs ended an eight-match losing streak against the Bulls with a 19-12 win over the South African outfit at Allianz Stadium on Saturday night.
Mike Brown's decisive try continued Harlequins' late charge for a place in the play-offs with a 24-20 win over Leicester.
Israel Folau marked his return from a three-week injury lay-off with a try as the Waratahs claimed a 19-12 win over the Bulls.
Waikato Chiefs flyhalf Gareth Anscombe failed with a last minute penalty as the Canterbury Crusaders hung on for a 18-17 win.
The Melbourne Rebels ended the Western Force's winning run with a 22-16 home win in their all-Australian Super Rugby clash.
Wasps director of rugby Dai Young has all but ruled Christian Wade out of England's summer tour to New Zealand.
England are intent on challenging the financial rewards on offer in French club rugby to prevent a post-2015 World Cup drain.
Dan Carter admits he could not have climbed to the top of world rugby without Jonny Wilkinson's workaholic precedent.