After Argentina and Barbarians scored five tries apiece at Twickenham, Elton Jantjies' late drop-goal settled a thrilling contest.
Harlequins won an entertaining encounter with Exeter Chiefs to hand them their first defeat of the Premiership season.
Three tries in eight minutes from Keith Earls helped Munster to an easy win over Edinburgh, while Ospreys nilled Zebre.
Andy Farrell will replace Joe Schmidt as Ireland head coach after the Rugby World Cup and Brian O'Driscoll has backed the call.
South Africa and London Irish tweeted their best wishes to Naka Drotske, who was shot during a robbery in Pretoria.
Ireland legend Brian O'Driscoll believes New Zealand are not as strong as they were four years ago as they head into a World Cup year.
World Cup-winning coach Jake White would be a good option for Australia should they sack Michael Cheika, according to Bryan Habana.
Siya Kolisi has praised South Africa's improvements under Rassie Erasmus and believes there are good times ahead for the Springboks.
A much-changed Argentina outfit will look to bring down the curtain on a strong 12 months in style against Barbarians in London on Saturday.
Brian O'Driscoll thinks more big names could follow in the footsteps of Sonny Bill Williams by trying to qualify for the Olympic sevens.