Garry Ringrose - who's been out with a broken jaw - has been named in the Leinster team to face Northampton in tomorrow's Heineken Champions Cup clash.
Cian Healy, Rónan Kelleher and Andrew Porter make up a new front row combination.
Jamison Gibson-Park starts at scrum half with Harry Byrne making his first start.
Centre Robbie Henshaw expects a tough challenge from the Saints: