Devin Toner has signed a new two-year deal with the IRFU that will see him remain at Leinster until the summer of 2017.
Mike Ross signs new one-year contract with the Irish Rugby Football Union which commits him to Leinster until 2016.
Ireland will face England, as well as Wales twice, in friendly fixtures ahead of next year’s World Cup.
Wales face a testing double-header against Six Nations holders Ireland as part of their World Cup preparations.
Wales powerhouse George North says his overseas-based team-mates are 'relieved' at the new dual contracts system.
England captain Chris Robshaw's shoulder injury will not keep him out of the Six Nations, Harlequins have announced.
Sir Clive Woodward has backed Sam Burgess to quickly adapt to rugby union and be a part of England's World Cup squad.
Wales flanker Dan Lydiate has become the second player to sign a National Dual Contract and will join Ospreys immediately.
More of the games that matter on Sky Sports
Watch the action with a Day or Week Pass
For all the latest news, features and videos
We've a host of top class rugby union action
Predict six scores to win the £250,000 jackpot!
Rupert Cox shares his highlights from the week's rugby action in his round-up blog...
Ahead of Harlequins' European Rugby Champions Cup double-header with Leinster, Sky Sports speak to Danny Care.
Ahead of Saturday's Test in Dublin, Sky Sports looks at five previous meetings between Ireland and Australia.