Glasgow gave an early demonstration of their title credentials with a stunning performance to see off Munster 37-10 at Scotstoun.
The Cheetahs claimed the scalp of Leinster in the PRO14 with an excellent 38-19 win at Bloemfontein Stadium on Friday.
Worcester fall to a fourth successive Premiership defeat despite making Gloucester work hard for their 24-19 victory.
Hosts Benetton Treviso made it back-to-back PRO14 wins with a 16-6 victory over struggling Ospreys on Friday night.
Ulster maintained their perfect start to the Guinness PRO14 season with a 52-25 eight-try annihilation of the Dragons.
England coach Eddie Jones was in jovial form on Friday after naming his 33-man squad for their three-day training camp in Oxford.
James Haskell has been left out of an England training camp ahead of this November's autumn internationals.
Only pay for the sports you love
Watch the Premier League for just £6.99.
Win in our free to enter competitions section
We've a host of top class rugby union action
Goals, highlights, previews and more...
Michael Lynagh looks at New Zealand's dominance and if that could have a negative effect on the global game.
All Blacks fill most of the spots after they hammered the Boks, but there are some Top 14 flyers and Premiership powerhouses.
John Smit and Scott Quinnell join Rupert Cox to debate the club v country row, plus referee Wayne Barnes discusses the ever-evolving laws.
Who will be able to register their first Rugby Championship victory of 2017 on Saturday, Australia or Argentina?
Stuart Barnes discusses the complexion of Eddie Jones' England training squad and Sean O'Brien's comments about the Lions tour.
Stuart Barnes talks the magnificent All Blacks, high-flying Ulster, star-studded Montpellier and the James Haskell/Joe Marler incident in Coventry...
Stuart Barnes on the vulnerability of New Zealand, the high-flying Scottish sides of the PRO14, and Danny Cipriani.
Stuart Barnes assesses the opening weekends of the PRO14 and Aviva Premiership and the new rugby laws in his talking points.
The Sky Sports panel have selected their Lions team to face the All Blacks, and there is no place for Sam Warburton.
Will Greenwood and Scott Quinnell are joined by Prince Harry on Thursday's episode of School of Hard Knocks.
Sean Fitzpatrick has selected his New Zealand XV to face the British and Irish Lions if the first Test was today.
©2017 Sky UK