Former Highlanders and Otahuhu prop Halani Aulika started at tighthead in London Irish's 43-41 win over Grenoble, as did John Afoa in Gloucester's 33-3 shutout of Oyonnax. Former Manu Samoa captain Paul Williams continued on the comeback trail from injury in Stade Francais' 47-12 defeat of Bucharest.
Former New Zealand Maori halfback Ruki Tipuna, former Manu Samoa lock/No 8 Kane Thompson and former North Harbour loose forward Richard Mayhew, who copped a yellow card, were all on the receiving end of Newcastle's 40-29 loss to the Newport-Gwent Dragons.
Two goals to former Blues utility Lachie Munro helped guide Lyon to a narrow 21-19 win over Edinburgh, for whom Manawatu Turbos No 10 Jade Te Rure appeared off the bench.
In the Champions Cup, Leinster crushed Castres 50-8, with former Taranaki and Ireland loosehead prop Michael Bent in the ranks, while Jimmy Gopperth was at first-five.
Despite a yellow card to former Auckland loosie Nathan Hughes, Wasps, where Blues wing Frank Halai is heading post-Super Rugby, beat Harlequins 23-3. There was a similar scenario in Northampton's 20-9 result over Ospreys, where centre George Pisi was binned.