Zane Kirchner's out of action for the next two to three weeks.
The Leinster back picked up a hamstring injury in the win over Scarlets.
Sean O'Brien took a bang on the ankle two weeks ago and wasn't risked for Scarlets and a call on whether he plays or not against Connacht in the Guinness Pro12 at Thomond Park on Friday night will be made ahead of Thursday's team announcement.
While Shane Jennings is fine despite going off with a knock to the shoulder at the weekend.
