Cian Kelleher and Rory O'Loughlin will make their first starts of the new seasons for Leinster in their Guinness Pro14 game against Glasgow Warriors on Monday.
Kelleher has recovered from a hamstring issue, while O'Loughlin hasn't featured yet after tweaking his calf.
Meanwhile David Hawkshaw, who captained the Ireland under-20s to a Six Nations Grand Slam title, is named on the bench after he was a late withdrawal from the squad for the victory over Zebre.
Leinster have continued their perfect form from the last campaign with three wins from three games. Their last defeat in the Pro14 came in April 2019.
Leinster: Jimmy O'Brien, Cian Kelleher, Rory O’Loughlin, Tommy O'Brien, Dave Kearney, Harry Byrne; Peter Dooley, James Tracy, Michael Bent, Ross Molony, Devin Toner, Josh Murphy, Scott Penny, Rhys Ruddock (c).
Replacements: Dan Sheehan, Michael Milne, Tom Clarkson, Jack Dunne, Scott Fardy, Hugh O'Sullivan, David Hawkshaw, Dan Leavy.
There are first starts of the season for Adam McBurney, Kieran Treadwell, and Billy Burns for Ulster, who face Cardiff Blues.
John Cooney and Stuart McCloskey were released from the Ireland Six Nations squad last month and both are included in the starting team.
Luke Marshall could see his first action of the season, having been named on the bench, while Matty Rea will win his 50th cap for the province.
Ulster are also unbeaten in the three games they've played so far this season.
Ulster: Michael Lowry, Craig Gilroy, Stewart Moore, Stuart McCloskey, Louis Ludik, Billy Burns (c), John Cooney; Eric O'Sullivan, Adam McBurney, Marty Moore, Alan O’Connor, Kieran Treadwell, Matty Rea, Jordi Murphy, Nick Timoney.
Replacements: John Andrew, Jack McGrath, Ross Kane, Sam Carter, Sean Reidy, Alby Mathewson, Luke Marshall, Ethan McIlroy.