It remains unclear if Jamie Heaslip will be fit for Saturdays Six Nations opener with Italy in Rome.
The back row is carrying a shoulder injury and could be replaced by Peter O'Mahony at number 8 with Sean O'Brien possibly lining out at blindside.
Ireland coach Joe Schmidt names his team for the game tomorrow with Cahir’s Tommy O'Donnell among those in the running for a place on the starting 15.
Meanwhile England head coach Stuart Lancaster will reveal his team to play Wales this morning.
Danny Cipriani and Nick Easter are being tipped for places on the bench.
Fly-half Owen Farrell is one of a number of high-profile players who are missing through injury.
