Edinburgh prop Michele Rizzo was sent off as Scarlets sealed a 28-8 bonus point PRO14 victory over Edinburgh at Parc y Scarlets.
Eddie Jones has ruled out making a raid on rugby league to improve England's World Cup prospects.
Saracens romped to a bonus point 41-13 win against Sale that could provide costly after Billy Vunipola limped off.
George Ford landed a late penalty to give Leicester their second win on the bounce with a 31-28 win over Harlequins.
England No 8 Billy Vunipola is having a scan on his knee after leaving the field injured during Saracens' win over Sale.
Newcastle bounced back from their North American trip to beat Bath 33-32 at the Recreation Ground on Saturday.
Cardiff Blues edged out Connacht 17-15 for their first win at the Sportsground since May 2014.
Worcester fall to a fourth successive Premiership defeat despite making Gloucester work hard for their 24-19 victory.
Ulster maintained their perfect start to the Guinness PRO14 season with a 52-25 eight-try annihilation of the Dragons.
Glasgow gave an early demonstration of their title credentials with a stunning performance to see off Munster 37-10 at Scotstoun.
Hosts Benetton Treviso made it back-to-back PRO14 wins with a 16-6 victory over struggling Ospreys on Friday night.
The Cheetahs claimed the scalp of Leinster in the PRO14 with an excellent 38-19 win at Bloemfontein Stadium on Friday.
Stuart Barnes discusses the complexion of Eddie Jones' England training squad and Sean O'Brien's comments about the Lions tour.
Northampton's Ben Foden appeared on 'A League of Their Own' and shocked the audience with his rendition of John Legend's All of Me.
England coach Eddie Jones was in jovial form on Friday after naming his 33-man squad for their three-day training camp in Oxford.
There are two Aviva Premiership games on Sunday afternoon, including a repeat of last season's thrilling final.
James Haskell has been left out of an England training camp ahead of this November's autumn internationals.
Team news ahead of Friday's Guinness PRO14 clashes, including Glasgow Warriors v Munster and Benetton v Ospreys.
Israel Dagg will miss the rest of the season because of injury although his knee will not require surgery.
Adam Korczyk has been dropped from Australia's squad for their remaining Rugby Championship games against South Africa and Argentina.
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