Four matches were on the multiplex program for the 16th day of Top 14 this Saturday.
Beaten by Perpignan (27-15), Stade Rochelais suffered a second consecutive defeat after that against Lyon last weekend (28-17).
Ronan O'Gara's men are 9th in the standings.
Perpignan is 12th.
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Calendar and results Top 14
Ranking Top 14
The Bordeaux-Bègles Union can no longer do it either.
Yannick Bru's men were heavily defeated in Castres (41-12), at the Pierre-Fabre stadium.
Improved success for the CO which is provisionally on the podium (3rd), behind Stade Français and Toulouse.
UBB falls to 4th place.
After its great victory in Bordeaux last weekend, Pau took on Toulon (17-9) at home.
The Palois gained two places in the ranking and are 5th.
Finally, the LOU scored a second consecutive victory by beating the red lantern Oyonnax (43-26).
An improved success, enough to give some air to the bottom of the ranking since the Lyonnais moved up to 10th place.