A double by former Steeler Ahsee Tuala, operating on the wing, and a single try to centre George Pisi, helped Northampton Saints to a 26-15 win over Grayson Hart's Edinburgh.
Luke McAlister kicked four goals from first five as Toulouse beat Oyonnax 24-18. Former Tonga and Highlanders flyer Fetu'u Vainikolo was on the Oyonnax wing, while Leon Power (lock) and Viliami Ma'afu (No 8) started in the pack.
Isa Nacewa, Hayden Triggs and Isaac Boss were not able to prevent Bath defeating their Leinster side 19-16.
A brace to former Tonga, Highlanders, Canterbury and Hawke's Bay wing Telusa Veainu aided his Leicester Tigers to a convincing 36-3 victory at Treviso. Starting in the Leicester pack were lock Mike FitzGerald and flanker Brendon O'Connor.
Saracens cast aside Nick Williams' Ulster 27-9.
Stade Francais' home match at their Parisian base of Stade Jean Bouin against Munster was postponed until this weekend or next.
In the Challenge Cup, Ben Botica kicked four goals which proved important as Harlequins defeated Cardiff Blues 32-20. The Blues featured former (Auckland) Blues prop Taufa'ao Filise, lock Jarrad Hoeata and centre Rey Lee-Lo.
A try to blindside flanker Jason Eaton was not enough to prevent La Rochelle falling 33-20 to John Afoa's Gloucester. Edinburgh beat Agen 27-6 away from home. Nasi Manu was in the unfamiliar position of No 6 for the Gunners, while former Tonga and Grammar TEC club wing Otulea Katoa also started.
Centre Anthony Tuitavake scored for Montpellier in their 64-0 shutout of Calvisano, for whom Jimmy Tuivaiti was at No 8.
Tasman Makos fullback/wing Robbie Malneek wore the No 14 jersey for his Russian club Enisei, which fell to a heavy 55-7 loss at Newcastle.
Former All Blacks prop Ben Franks made his first appearance for London Irish, who lost 27-20 at Grenoble. Second five Nigel Hunt and No 8 Rory Grice started for the victors.
Bundee Aki, Nepia Fox-Matamua and Nathan White all fronted for Connacht in their 21-17 win over Brive. William Whetton played at No 8 for the latter.
The Sale Sharks forwards trio of Bryn Evans, TJ Ioane and Viliami Fihaki tasted a 29-20 victory over Pau, who included Chris King and Daniel Ramsay. The French club impatiently await the arrival of Conrad Smith and Colin Slade.
Daniel Kirkpatrick scored a try as Castres narrowly beat the Dragons 32-29.
This weekend sees the Aviva Premiership, Guinness PRO12 and French Top 14 resume.
