Edinburgh prop Michele Rizzo was sent off as Scarlets sealed a 28-8 bonus point victory over Edinburgh in their Guinness PRO14 clash at Parc y Scarlets.
Ulster maintained their 100 percent Guinness PRO14 record and went top of Conference B after becoming the first side to defeat defending champions the Scarlets in a dramatic finish.
Scarlets recorded their second win of the Guinness PRO14 season with a 41-10 bonus-point demolition of Zebre in Parma.
Leigh Halfpenny scored a try on his debut as Scarlets opened the defence of their title with a thumping 57-10 victory over PRO14 new boys Southern Kings.
Leigh Halfpenny has admitted he was shocked to learn he would be released by Toulon while preparing for this summer's British & Irish Lions tour.
Saracens will begin their quest for a third successive European Champions Cup crown with a trip to Aviva Premiership rivals Northampton.
Scarlets have offered Tadgh Beirne a new deal as they look to keep the in form Irish lock in South West Wales.
South African franchise the Cheetahs will get their first taste of PRO14 action on Friday, Sept. 1 as they take on Ulster at Kingspan Stadium.
Welsh Rugby Union chairman Gareth Davies has confirmed that "talks are ongoing" to bring Leigh Halfpenny back to play in Wales.
It is not difficult to see why Celtic Rugby would jump at the chance to breath new life into the rebranded PRO14. But the organisers face issues as they attempt to make the expansion work.
Tuesday brought official confirmation that South African sides the Cheetahs and Southern Kings would, as expected, join an expanded PRO14 competition. But what will the new championship look like?
Leigh Halfpenny has agreed a return to Wales with the Scarlets, according to reports.
Exeter fullback Phil Dollman and Scarlets prop Samson Lee have both been ruled out of Wales' Tests against Tonga and Samoa later this month.
Clermont Auvergne's Top 14 final victory has ensured they will enter Thursday's European Champions Cup draw as top seeds.
Scarlets have beaten Munster 46-22 in the Guinness PRO12 final in Dublin.
Munster and Scarlets will both line up for the PRO12 final in Dublin unchanged.
Scarlets wing Steff Evans has been cleared to play in Saturday's Guinness PRO12 final against Munster.
Scarlets reached their first ever Guinness PRO12 final after defeating much-fancied Leinster 27-15 at the RDS.
Sean O'Brien has been withdrawn from the Leinster squad to face the Scarlets on Friday night.
Seven players from Warren Gatland's British & Irish Lions squad will face off when Leinster host Scarlets in their PRO12 semifinal on Friday night, but hooker Ken Owens misses out.
British & Irish Lions hopefuls Jonathan Davies and Liam Williams struck in the final quarter to help the Scarlets to a 21-16 win over the Dragons at the Principality Stadium on Saturday.
Wales loosehead prop Rob Evans has committed his future to Scarlets.
Fly-half Rhys Patchell scored 16 points, including two tries, as Scarlets registered a 26-10 bonus-point victory over Guinness Pro12 rivals Edinburgh.
Two Luke McGrath tries in the opening quarter set the platform for Leinster to return to the PRO12 summit in a 45-9 win over Scarlets, with Ireland's Joey Carbery adding a brace from fullback.
Former Wales fly-half Stephen Jones has agreed a new contract as assistant coach with PRO12 side Scarlets.