They play Connacht from 5:30pm
Ireland captain Caelan Doris will make his 100th appearance for Leinster in tomorrow's interpro derby away to Connacht in the URC.
Prop Niall Smyth will make his debut, while Harry Byrne has been selected at out-half, and James Lowe returns on the wing.
As for the hosts, Caolin Blade and Josh Ioane are back from injury to start in the half-backs.
Iain Henderson will captain Ulster away to the Scarlets tomorrow - scrum-half Nathan Doak will earn his 100th cap for the province.
This evening, Munster host the Dragons in Cork from quarter-to-8.
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