Sale began their European Challenge Cup campaign with a thrilling 20-20 draw with Toulouse at AJ Bell Stadium.
Anthony Tuitavake was sent off as Racing 92 lost 23-19 at Agen in the Top 14.
Toulon finished off the opening round of the new Top 14 season by thumping Pau 41-14 as former England international Chris Ashton stole the show.
Newcastle Falcons have announced the re-signing of Toby Flood from French side Toulouse. The 31-year-old will return to Kingston Park in the summer after a nine-year absence.
The final day of the Top 14 sees Clermont battling with Montpellier for a semifinal spot and a point separates Racing 92 (6th), Stade Francais (7th) and Pau (8th) for the last Champions Cup spot.
Brock James and La Rochelle survived a late scare to defeat Montpellier 40-37 as they secured top spot in the Top 14 and can now prepare for a home semifinal.
La Rochelle pushed their lead out to 14 points in the Top 14 with a 16-5 victory over Bordeaux Begles.
Munster put in an assured performance at Thomond Park to see off Toulouse 41-16 and book their place in the European Champions Cup semifinals.
La Rochelle maintained control of the Top 14 with a 23-13 victory over Pau which stretch their lead to 10 points at the summit of the Top 14.
La Rochelle are out to an eight point lead in the Top 14 standings after Clermont fell to Montpellier on Sunday.
Connacht coach Pat Lam was left frustrated as his side fell agonisingly short of a Champions Cup quarter-final berth.
European Champions Cup holders Saracens will host Glasgow Warriors in the quarterfinals after the draw was made on Sunday.
Connacht miss out on a Champions Cup quarter-final place as Toulouse score three tries in nine point win at Stade Ernest Wallon.
Dai Young has stressed a need for Wasps to "hit the ground running" when they chase a European Champions Cup quarter-final place on Sunday.
Scrum-half Dan Robson scores in the 80th minute to see Wasps home 17-14 over Toulouse in the Champions Cup.
Toulouse have announced the signing of 29 year-old All Blacks prop Charlie Faumuina, who will join up with the four-time European Cup winners after the Blues' 2017 Super Rugby season.
Toulouse scored six first-half tries on their way to a 54-15 rout of Zebre with winger Paul Perez grabbing a brace.
Toulouse got the full five points from their trip to Zebre as the game was brought to an end after just 64 minutes due to fog.
A Ben Botica penalty three minutes into stoppage time saw Montpellier record a 12-11 victory over La Rochelle.
A defiant Connacht came from behind to defeat four-time European champions Toulouse 23-21.
Former France international Clement Poitrenaud has retired after Toulouse denied him a new contract.
Toulouse gave their Top 14 play-off hopes a shot in the arm with a 12-10 victory over a disjointed Toulon.
- TOUL8thTRIES SCORED 1st La Rochelle : 55 Tries ScoredLA RO1st3755
- TOUL5thPOINTS DIFFERENCE 1st La Rochelle : 157 Points DifferenceLA RO1st42157