Robbie Henshaw has been ruled out of Leinster's Heineken Champions Cup semi-final with Toulouse.
Henshaw misses out through injury, with Charlie Ngatai named to start.
James Ryan captains the team, with last season’s EPCR Player of the Year Josh van der Flier set to win his 50th Champions Cup cap.
Hugo Keenan starts at full-back, with Jordan Larmour and Jimmy O’Brien named on the wings.
Charlie Ngatai returns from injury. The New Zealand international makes his first appearance since early January, joining Garry Ringrose in the centre.
Ross Byrne and Jamison Gibson-Park continue their partnership at half-back. The front five remains unchanged from the Quarter-Final win over Leicester Tigers.
Andrew Porter, Dan Sheehan and Tadhg Furlong make up the front row, with Ross Molony and Ryan in the second row.
After missing the Heineken Champions Cup Quarter-Final, van der Flier returns to the back row where he is joined by Caelan Doris and Jack Conan.
On the bench, Cian Healy is in line to earn his 262nd Leinster cap and will move into outright second place on Leinster’s all-time record cap holder list, behind Devin Toner on 280.
Leinster:
- Hugo Keenan
- Jordan Larmour
- Garry Ringrose
- Charlie Ngatai
- Jimmy O’Brien
- Ross Byrne
- Jamison Gibson-Park
- Andrew Porter
- Dan Sheehan
- Tadhg Furlong
- Ross Molony
- James Ryan (C)
- Caelan Doris
- Josh van der Flier
- Jack Conan
Replacements
- John McKee
- Cian Healy
- Michael Ala’alatoa
- Jason Jenkins
- Ryan Baird
- Luke McGrath
- Harry Byrne
- Ciarán Frawley
Referee: Wayne Barnes (RFU)