Bordeaux came back from an 11-point deficit to defeat Toulon 28-23 in the Top 14 at the Stade Chaban Delmas.
Harlequins fought for a Champions Cup quarter-final place with a 47-19 win at Castres, but their efforts were in vein.
Conor O'Shea insists the agony of Harlequins' Champions Cup exit will spur them on for the rest of the season.
Leinster moved to the top of Pool Two of the European Rugby Champions Cup with a 50-8 victory over Castres.
We consider all the possible outcomes ahead of Round 5 of the European Champions Cup.
Stade Francais went clear at the top of the French league on an emotional day in Paris with a 49-13 win over Castres.
Jake White's first game in charge of Montpellier ended in a win over Toulon, while Stade Francais hung on to top spot.
Stade Francais shocked defending champions Toulon 30-6 to end the year at the summit of the Top 14.
Wins for Toulon and Clermont at the weekend has kept the race for top spot alive in France's Top 14.
Clermont coach Frank Azema has made wholesale changes to his pack for his side's Top 14 encounter against Castres.
Wasps played their final match in High Wycombe, and the London outfit signed off in style with a 44-17 win over Castres.
Reigning Top 14 champions Toulon claimed a 27-19 victory against Clermont Auvergne in a clash of the titans on Saturday.
Ireland's joy, England's misery and Wales' woe... Rupert Cox looks at the week in rugby union.
A depleted Toulon team came a cropper at Castres, allowing Clermont Auvergne to take over as new leaders in the Top 14.
The final of the Top 14 will be held at Barcelona’s Nou Camp at the end of the 2015-16 season.
Oyannax caused the biggest upset of the Top 14 season so far on Saturday by clinching victory away at Racing Metro.
Ian Madigan kicked all his side's points as Leinster beat Castres 21-16 in the European Champions Cup.
Leinster will aim to take control of Pool 2 on Sunday as they travel to France for a showdown with Castres (kick-off 1pm).
Jonny Wilkinson, Will Greenwood and Nick Easter analyse all the action from the opening weekend.
Harlequins got their European Rugby Champions Cup campaign off to a winning start with a 25-9 victory over Castres.
Rupert Cox shares his highlights from the week's rugby action in his round-up blog.