Bath make four changes ahead of their Amlin Challenge Cup quarter-final clash against Stade Francais on Saturday.
A last-gasp try from Vincent Clerc saw Toulouse claim a 27-26 win over Racing Metro, ending the Parisians' winning run.
Top 14 leaders Toulon host Biarritz this weekend before fourth-placed Castres face the unenviable task of travelling to Clermont.
South Africa fly-half Morne Steyn will join French side Stade Francais when his contract with the Bulls ends in October.
Clermont notched up a bonus-point win over Stade Francais while Toulon beat Toulouse in Saturday's Top 14 action.
Leaders Toulon will take on fourth-placed Castres on Friday in the pick of the weekend's Top 14 action.
Stade Francais remain in the Top 14 play-off picture after a backs-to-the-wall victory over Bordeaux.
The Top 14 action gets underway on Friday when Toulouse look to maintain their impressive home record over Perpignan.
There were plenty of upsets in the Top 14 on Saturday with leaders Toulon thrashed 41-0 by Bordeaux-Begles.
There are plenty of intriguing ties in the Top 14 this weekend, starting with Clermont travelling to Racing on Friday.
Perpignan stayed in the race for the Top 14 play-offs thanks to a hard-fought 26-19 win over high-flying Clermont on Friday.
The dates for the Heineken Cup quarter-finals have been confirmed.
Reports in France suggest that Stade Francais will not be renewing Paul Sackey's contract at the end of the season.
Stade Francais advanced to the quarter-finals after finishing top of Pool Five with a 39-17 win over London Welsh.
London Welsh travel to Stade du Hainut for their final pool game in this season's Amlin Challenge Cup.
Former Springbok fly-half Morne Steyn is set to join French club Stade Francais after the 2013 Super Rugby season.
Fly-half Ronan O'Gara has been cited for allegedly kicking Edinburgh's Sean Cox during Munster's 26-17 win on Sunday.
Grenoble claimed yet another big scalp as they maintained their unbeaten home record with victory over Castres.
Top 14 action continues as Toulon look to keep their lead at the summit ahead of the final break before the Heineken Cup Pool run-in.
Clermont closed the gap on Top 14 leaders Toulon on Sunday with a 48-3 win over Bayonne.