Toulon prop Martin Castrogiovanni called Leicester director of rugby Richard Cockerill a 'c**t' in a stunning post-match outburst on Sunday.
Francois van der Merwe scored a try while Johan Goosen contributed 14 points with the boot as Racing Métro drew 19-19 with the Ospreys in their European Champions Cup match in Swansea on Saturday.
Fijian wing Napolioni Nalaga scored a brace as Clermont beat Sale 35-3 in their European Champions Cup match on Sunday.
Bryan Habana scored a try as Toulon beat Ulster 23-13 in their European Champions Cup match on Saturday.
Leigh Halfpenny kicked 13 points as Toulon edged the Llanelli Scarlets 28-18 in the European Champions Cup on Sunday.
David Strettle and Chris Ashton each scored two tries as Saracens claimed a bonus-point 30-23 win over Clermont in their European Champions Cup match at Allianz Park on Saturday.