Stade FranÃ§ais kicked off their Top 14 campaign in fine style with a big win over Montpellier on Saturday before Jonny Wilkinson kicked Toulon to victory in Perpignan
Clermont underlined their title credentials with an impressive victory away to Bayonne.
New boys Grenoble caused the first upset of the season when they beat Bordeaux.
Biarritz made light work of newly-promoted Mont-de-Marsan while Racing Metro won on the road in Agen.
In Friday's season opening fixture, defending champions Toulouse came from behind to narrowly beat Castres.
"I am particularly proud of the mental strength of my players," said Toulouse coach Guy Noves.
"Once again when we were in difficulty, and up against it at the end of the match, but we found the resources to get through. It's a win that undoubtedly will be very important later."
Toulouse 23-22 Castres
Agen 20-24 Racing Metro
Biarritz 35-10 Mont-de-Marsan
Bordeaux-Begles 28-29 Grenoble
Stade FranÃ§ais 32-16 Montpellier
Bayonne 6-13 Clermont
Perpignan 15-21 Toulon
Biarritz Olympique 35-10 Stade Montois
Parc des Sports d'Aguilera, Biarritz
Biarritz were the only team to secure a bonus point to go top of the standings.
Damien Traille and Iain Balshaw grabbed tries before the interval with Wenceslas Lauret adding a third in the 65th minute.
Benoit Baby's last-minute try ensured the bonus-point win for Biarritz.
Tries: Traille, Balshaw, Lauret, Baby
Cons: Barraque 3
Pens: Barraque 3
Yellow card: Genevois
For Mont-de-Marsan :
Pen: Vignau tuquet
Yellow cards: Grobler, Pic, Jagr
Biarritz: 15 Iain Balshaw, 14 Takudzwa Ngwenya, 13 Jean pascal Barraque, 12 Damien Traille, 11 Aled Brew, 10 Julien Peyrelongue, 9 Yann Lesgourgues, 8 Raphael Lakafia, 7 Wenceslas Lauret, 6 Magnus Lund, 5 Pelu ian Taele, 4 Jerome Thion, 3 Eugene Van staden, 2 Benoit August , 1 Thomas Synaeghel,
Replacements: 16 Jean philippe Genevois, 17 Fabien Barcella, 18 Erik Lund, 19 Tanguy Molcard, 20 Dimitri Yachvili , 21 Charles Gimenez , 22 Benoit Baby , 23 Benedict Broster ,
Mont-de-Marsan: 15 Jean marc Mazzonetto, 14 Martin Jagr, 13 Yohann Durquet, 12 Baptiste Chedal, 11 Simon Lucu, 10 Antoine Vignau tuquet, 9 Arnaud Pic, 8 Alexandre Ricaud, 7 Haisini Taulanga, 6 Julien Tastet, 5 Berend Botha, 4 Sebastian De chaves, 3 Sebastien Ormaechea, 2 Joan Caudullo, 1 Pierre Correia,
Replacements: 16 Pieter Grobler, 17 Alexandre Menini, 18 Philipus Liebenberg, 19 Yann Brethous, 20 Laurent Magnaval, 21 Thibault Duvallet, 22 Nicholas Price, 23 Tevita Mailau,
SU Agen 20-24 Racing-MÃ©tro 92
Stade Armandie, Agen
Racing win their first game at Stade Armandie since returning to the top flight.
Ross Skeate scored on debut for Agen to help the hosts to a 17-13 half-time lead but two second-half yellow cards cost the hosts dearly.
Pens: Barnard 4; Tian
Yellow card: Monribot
Pens: Wisniewski 2, Germain 5
Yellow cards:Ducalcon, Machenaud, Wisniewski
Agen: 15 Silvere Tian, 14 Saimoni Vaka, 13 Vincent Roux, 12 Senio junior Pelesasa, 11 Jean francois Coux, 10 Conrad Barnard, 9 Mathieu Loree, 8 Opeti Fonua, 7 Remi Vaquin, 6 Jean Monribot, 5 Ross Skeate, 4 Esteban Lozada, 3 Jonathan Garcia, 2 Jalil Narjissi , 1 Bernard Nnomo,
Replacements: 16 Julien Janaudy, 17 John Schwalger, 18 William Demotte, 19 Ueleni Fono, 20 Alexi Bales , 21 Benjamin Petre , 22 Romain Edmond samuel , 23 Euan Murray ,
Racing Metro: 15 Gaetan Germain, 14 Sereli Bobo, 13 Guillaume Bousses, 12 Fabrice Estebanez, 11 Julien Jane, 10 Jonathan Wisniewski, 9 Maxime Machenaud, 8 Jacques Cronje, 7 Masinivanua Matadigo, 6 Bernard Le roux, 5 Francois Van der merwe, 4 Karim Ghezal, 3 Luc Ducalcon, 2 Dimitri Szarzewski, 1 Julien Brugnaut,
Replacements: 16 Benjamin Noirot, 17 Eddy Ben arous, 18 Fabrice Metz, 19 Antoine Battut, 20 Mathieu Belie, 21 Benjamin Dambielle, 22 Mirco Bergamasco, 23 Salemane Sa,
Stade FranÃ§ais Paris 32-16 Montpellier HR
Stade CharlÃ©ty, Paris
French international full-back Jerome Porical marked his Stade Francais debut in style by kicking 22 points in Saturday's win over an ill-disciplined Montpellier.
In a match played in 30-degree heat Montpellier struggled without their Argentina stars who are with the Pumas on international duty in South Africa.
They were also reduced to 13 men at one stage when skipper Fulgence Ouedraogo and full-back Jean-Baptiste Peyras were both sin-binned.
The sides were level 9-9 at the interval but Stade grabbed two second half tries through Australian fly-half Paul Warwick and hooker Remi Bonfils.
For Stade FranÃ§ais:
Tries: Warwick, Bonfils
Cons: Porical 2
Pens: Porical 6
Yellow cards: Ouedraogo; .Peyras-Loustalet
Stade FranÃ§ais: 15 Jerome Porical, 14 Waisea Vuidravuwalu, 13 Geoffrey Doumayrou, 12 Morgan Turinui, 11 Julien Arias, 10 Paul Warwick, 9 Julien Dupuy, 8 David Lyons, 7 Scott Lavalla, 6 Olivier Missoup, 5 Pascal Pape, 4 Alexandre Flanquart, 3 David Attoub, 2 Laurent Sempere , 1 Zurabi Zhvania,
Replacements: 16 Remi Bonfils, 17 Rabah Slimani, 18 Anton Van zyl, 19 Sergio Parisse, 20 Jerome Fillol , 21 Jules Plisson , 22 Paul Williams , 23 Stanley Wright ,
Montpellier: 15 Jean baptiste Peyras loustalet 14 Timoci Nagusa, 13 Matthew Carraro, 12 Shontayne Hape, 11 Pierre Berard, 10 Francois Trinh-Duc, 9 Benoit Paillaugue, 8 Alex Tulou, 7 Remy Martin, 6 Fulgence Ouedraogo, 5 Thibaut Privat, 4 Mickael De marco, 3 Giorge Jgenti, 2 Michael Ladhuie, 1 Naama Leleimalefaga,
Replacements: 16 Erasmus Jansen van vuuren, 17 Yvan Watremez, 18 Hendrikus Hancke, 19 John Beattie, 20 Julien Tomas, 21 Enzo Selponi, 22 Thomas Combezou, 22 Vincent Pelo,
Union Bordeaux-BÃ¨gles 28-29 FC Grenoble
Stade AndrÃ© Moga, BÃ¨gles
Grenoble scored four vital points in what is set to be a season-long fight to avoid relegation.
The newcomers led 17-0 after 14 minutes but UBB faught back to lead 18-17 at the break.
However, three penalties from new fly-half Valentin Courrent in the last quarter secured first Top 14 win for Grenoble.
Tries: Adams, Toetu, Connor
Cons: Lopez 2
Pens: Lopez 3
Tries: Mutapcic, Jahouer
Cons: Courrent 2