Oyonnax may be seen by some as an unfashionable French Top 14 club, but try telling that to the five players of New Zealand rugby background who helped engineer a stunning 11-10 away win over the equally Kiwi-laden and much wealthier Clermont.

Lock Leon Power, No 8 Viliami Ma'afu, replacement hooker Paul Ngauamo, wing Alaska Taufa and prop Soane Tonga'uiha tasted a rare win for any team visiting Stade Michelin.

Tonga'uiha scored a second half try which proved critical for the visitors, who stay in the playoffs hunt.

The four Kiwis at Toulouse celebrated a 20-17 win over Bayonne. Luke McAlister, wearing the No 12 jersey, slotted three goals for Toulouse, while Joe Rokocoko, back on the wing, scored a try for Bayonne.

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Sitiveni Sivivatu's Castres scored a vital 22-20 win over Bordeaux-Begles, for whom Peter Saili was at No 8.

Toulon rested most of their gun New Zealanders, barring Rudi Wulf, but still defeated Grenoble 35-24. All of Grenoble's tries were scored by players with Kiwi connections - No 8 Rory Grice with a brace, and midfielders Jackson Willison and Nigel Hunt, while South African replacement prop Albertus Buckle, who had a stint in 2006 with Wairarapa-Bush, also crossed the whitewash.

Montpellier, who fielded Anthony Tuitavake, Tom Donnelly and Chris King, drew 24-all with Racing-Metro.

In England's Aviva Premiership, Harlequins No 10 Nick Evans slotted five goals, while former Chiefs and Fiji wing Asaeli Tikoirotuma appeared at centre, as Quins edged John Afoa's Gloucester 29-26. A try to fullback James Wilson was not enough for leaders Northampton Saints, who went down 21-10 to Thomas Waldrom's Exeter Chiefs. Alapati Leiua, at second five, and Sailosi Tagicakibau, scored tries in Wasps' 40-13 defeat of London Welsh, while Chris Noakes' four goals helped London Irish to a 25-23 win over Daniel Braid's Sale Sharks.

In the Guinness PRO12, Gareth Anscombe kicked three goals from fullback as his Cardiff Blues went down 36-17 to Glasgow. A Connacht side missing Mils Muliaina lost 27-20 to Jared Payne's Ulster. Connacht fielded a five-eighths combination of former Tasman and Taranaki No 10 Miah Nikora and former Chief and Steeler Bundee Aki.

Nick Crosswell shifted to blindside as his Dragons beat Leinster 25-22, No 10 Jimmy Gopperth scoring a try and three goals for the losers.

This weekend sees the semifinals of the European Champions Cup and Challenge Cup.