19 Dec, 10:12
The Ireland U18 Club squad has been selected for the showdown with Ireland U18 Schools at Ashbourne RFC on 30th December.
It has been established that he damaged the cruciate ligament during the first half of Munster's pool win over Castres Olympique at Thomond Park last Saturday.
He will undergo an operation on Friday, February 3 to repair the damage and look to resume playing next season.
Ronan will join fellow opensides, David Wallace and Tommy O'Donnell, in the province's rehab room, although just for a brief period, as both Wallace and O'Donnell are expected to resume pitch sessions at some stage in the next month.