Leinster centre Garry Ringrose has been ruled out of this weekend's Pro-14 clash with Munster.
The Irish International has suffered a jaw injury in the weekend's Champions Cup action.
Leinster are assessing three other players ahead of Saturday's match, including Rhys Ruddock, Harry Byrne and Jimmy O'Brien.
Their opponents, Munster, are unbeaten in nine games heading into the matchup on Saint Stephen's Day.
Stuart Lancaster has sympathised with Ringrose's recent injury history.
