Oyonnax stunned Clermont Auvergne at the Stade Marcel-Michelin and Toulon capitalised by winning away in Grenoble.
Rupert Cox shares his highlights from the week's rugby action in his round-up blog.
Toulon once again find themselves at the top of the French domestic league thanks to a five-try win over Brive.
Bordeaux came back from an 11-point deficit to defeat Toulon 28-23 in the Top 14 at the Stade Chaban Delmas.
Clermont and Stade Francais both suffered losses in the Top 14, leaving them locked together with new leaders Toulon.
Toulouse crashed out of the European Champions Cup after they suffered a stunning 27-26 defeat at Montpellier.
Australia scrum-half Nic White will join Top 14 club Montpellier next season.
DTH Van Der Merwe ran in a hat-trick of tries as Glasgow overpowered Montpellier 21-10 at Scotstoun Stadium.
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