Ulster beat Ospreys 28-6 to claim maximum points in their opening PRO12 clash at the Kingspan Stadium.
Fionn Carr's 77th-minute try sealed a hard-earned 29-23 win for Connacht against Newport Gwent Dragons
Edinburgh made a winning start to their Guinness PRO12 campaign as they edged to a 16-9 victory over Leinster
Paul O'Connell has played down Ireland's chances of winning the World Cup following last week's defeat by Wales.
We look at five players most eager to put in a good performance when England host Ireland at Twickenham on Saturday.
Glasgow Warriors begin their Guinness PRO12 title defence against the Scarlets on Saturday, live on Sky Sports.
Shaun Edwards says Wales are confident that only naming two hookers in their squad does not constitute a major gamble.
Matt Scott has told Vern Cotter's critics to lay off the Scotland head coach, insisting he has his players' trust.
Graham Rowntree believes England can win the World Cup despite possessing a team whose best years lie ahead of them.
Wales wing George North will make his Millennium Stadium return on Saturday after a six-month absence with concussion.
Clermont Auvergne full-back Nick Abendanon has signed a new three-year contract with the French club.
Scarlets No 8 Morgan Allen has been ruled out for up to 16 weeks after rupturing a bicep during a training session.
Dewi Morris says England's side for the Ireland clash is the same as the one that will start against Fiji in two weeks.
England forwards coach Graham Rowntree is not concerned by the prospect of uncontested scrums in the Rugby World Cup.
Ireland coach Joe Schmidt believes England's midfield could provide a platform for World Cup success for the hosts.
England have chosen to use the away dressing room at Twickenham for Saturday's World Cup warm-up game with Ireland.
Rob Andrew believes the current group of England players have not yet reached their peak.
Geoff Parling wants England's pack to prove themselves when they take on Ireland in their final World Cup warm-up clash on Saturday.
Sky Sports' Will Greenwood says England's unbeaten run at Twickenham in 2015 is vital to their World Cup ambitions.
Dewi Morris joins James Gemmell to preview the weekend of rugby including England v Ireland and the return of the PRO12.