La Rochelle edge closer to the TOP14 semi-finals while Bayonne’s relegation is confirmed.
Racing 92 held on with just 13 players for a crucial 10-8 victory at Toulouse on Sunday.
Richard Cockerill faces a stiff test as he oversees his first match in charge of Toulon on Sunday, live on Sky Sports.
La Rochelle held off a stirring Toulouse fightback to storm back to the French Top 14 summit with a 27-21 win on Sunday.
Fiji international centre Gaby Lovobalavu will join Wasps from Top 14 club Bayonne at the end of the season.
Stephen Brett marked his Clermont debut with a last-minute penalty as they escaped from Bordeaux with a 23-23 draw.
Keelan Giles added another pair of tries to his collection as Ospreys coasted to a 59-7 Challenge Cup win over Grenoble.
Zack Holmes kicked two late penalties to give La Rochelle a 25-19 win over Toulouse and move back into second place.
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