Wales international Dan Biggar contributed with 14 points as Ospreys successfully overhauled Scarlets challenge and registered a 19-9 victory in their Pro 12 encounter in Swansea on Tuesday.
Wales international Leigh Halfpenny missed a last minute penalty for Toulon as Scarlets held their nerve to register a 22-21 victory in their European Champions Cup clash at Parc y Scarlets on Sunday.
Scarlets flanker James Davies has received a three-week suspension by a disciplinary panel after admitting foul language and making an obscene gesture in the 31-20 loss at Toulon.
Wales international Leigh Halfpenny contributed with 16 points as Toulon defeated Scarlets by 31-20 in their European Champions Cup encounter at Stade Felix Mayol on Sunday.
Riding on a five-try performance, Scarlets managed to survive a fightback from Leinster and handed a 38-29 defeat on the league leaders during their Pro 12 encounter at Llanelli on Friday.
Sam Beard scored a double as Newport Gwent Dragons completed a 36-21 bonus point victory over Scarlets in their Anglo-Welsh Cup clash at Rodney Parade on Friday.
The Scarlets scored a major 35-point haul in the second-half which included five converted tries to bag a resounding 44-21 victory over Bath after recovering 12 points half-time deficit at Parc y Scarlets during the 2016-17 Anglo-Welsh Cup clash on Friday.
Saracens continued their winning streak with another fine performance to defeat Scarlets 44-26 in their European Champions Cup clash on Saturday at Allianz Park.
A clinical first half performance from Scarlets was too strong for Sale Sharks as they succumbed to a 28 - 11 defeat in their European Champions Cup opener at Parc y Scarlets on Saturday.
The Scarlets came back strong in the second-half to wipe-out the six point first-half deficit to secure a thrilling 31-27 win over the Dragons during the 2016-17 Pro12 clash at the Scarlets Park in Pemberton, Llanelli on Saturday.
A strong defensive performance by Munster marked the beginning of coach Rassie Erasmus; era with a gutsy 13-23 win over the Scarlets during the Pro12 clash at the Scarlets Park stadium on Saturday.
Wales international Taulupe Faletau and Samoa scrum-half Kahn Fotuali'i are set to make their debut for their newly joined English Premiership club Bath on Saturday.
A hard-fought 31-15 win over Scarlets at Thomond Park helped Munster to earn a European Champions Cup spot for the next season after finishing sixth in the ongoing Pro12 tournament.
Two tries apiece for fly-half Finn Russell and wing Lee Jones ensured Glasgow extended their winning streak to eight Guinness Pro12 games with a seven-try, 46-10 hammering of Scarlets at Parc y Scarlets.