Leigh Halfpenny scored the crucial late try as Toulon reached the Top 14 semi-finals with a 26-22 win over Castres.
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.
Stephen Brett marked his Clermont debut with a last-minute penalty as they escaped from Bordeaux with a 23-23 draw.
Northampton continued their recent improved form with a narrow 28-21 win over Castres in the Champions Cup
Glasgow players take a bow after demolishing Leicester 43-0 to make the Champions Cup quarter-finals for the first time.
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