Leinster, who have finished runners-up in the Champions Cup in each of the past three seasons, progress to the last 16 as group winners with a 100 per cent record

As Farrell prepares to take charge of the British and Irish Lions this summer in Australia, defence coach Simon Easterby will take charge of the side during the Six Nations.

Lock James Ryan will see a specialist about his wrist injury.

The 30-year-old is struggling with a ‘niggle’ and will be assessed ahead of head coach Andy Farrell naming his matchday squad on Thursday afternoon.

The tournament’s two most successful teams clash at the Aviva Stadium.

The centre misses out through injury, with Charlie Ngatai named to start in his place.

The 31-year-old was forced off in the first half of Ireland’s 34-20 success against Italy.

Ireland's Henshaw to miss Australia test with hamstring injury

The Munster and Lions half-back will miss Saturday’s appointment with Fiji and the clash with Australia a week later.