Clermont notched up a crucial bonus-point win over Stade Francais in Paris while Toulon beat Toulouse in Saturday's Top 14 action.
Bordeaux 48-17 Agen
A rampant Bordeaux crushed visitors Agen to move above their rivals at the bottom of the Top 14 and into 10th place.
The hosts ran in six tries, including two for hooker Ole Avei, and led comfortably 17-0 at the interval after a fine performance from fly-half Camille Lopez.
Lopez carried on where he left off in the second-half, adding an early drop-goal before Bordeaux ran in two tries in three minutes, including Avei's second.
Ross Skeate grabbed a consolation score for Agen shortly after but from there Bordeaux cantered home, thanks to tries from Rey and Lopez - who finished with 23 points.
Racing Metro 23-3 Grenoble
Racing Metro were comfortable winners in their home fixture against Grenoble, thanks to a brace of tries from Argentinian international Juan Imhoff.
Imhoff struck in the 10th and 43rd minute to give the hosts a comfortable 23-0 lead.
Blair Stewart managed to get Grenoble some points on the board with a penalty in the 47th minute on an afternoon to forget for the visitors, who remain in eighth place.
The victory for Racing secures their spot in sixth as they remain on 54 points with Montpellier, after their seventh consecutive victory.
