Leinster and Ulster have named their sides for their sold out Pro 12 derby at the RDS tomorrow.
Sean O' Brien returns to the Leinster back-row, while Brian O' Driscoll is rested.
Noel Reid and Brendan Macken make up the centre partnership.
Jimmy Gopperth is at out-half in place of Ian Madigan who drops to the replacements.
Luke Fitzgerald, Isaac Boss and Zane Kirchner keep their places in the backs and Dave Kearney returns on the wing.
The second row sees Mike McCarthy partner captain Leo Cullen.
Ulster head-coach Mark Anscombe has made nine personnel changes.
Paddy Jackson starts at out-half with Ruan Pienaar on the bench.
Luke Marshall partners Darren Cave in the centre with Craig Gilroy and Andrew Trimble on the wings.
Dan Tuohy returns to the second row with Lewis Stevenson.
Captain Robbie Diack is in the backrow alongside Sean Doyle and fit-again Roger Wilson.
Main image: Jimmy Goperth and Marty Moore ©INPHO/Donall Farmer