Kick-off in at Affidea Stadium at 7:45pm.
The interpro derby between Ulster and Leinster at Affidea Stadium takes top billing in the URC this evening.
Just one point is all that separates the two sides in the table, with the Ulstermen third, and the Blues fourth.
It's only one change for the hosts from last weekend's convincing win over La Rochelle in the Challenge Cup
While Leinster team shows a dozen changes from their Champions Cup win over Sale Sharks.
Kick-off in Belfast is at 7:45pm.

Kildare Senior Football Team vs Laois
Friday Morning Sports Update
Kildare Hurling Team vs Wexford
Leinster Make A Dozen Changes To Their Squad Ahead Of Tomorrows Clash With Ulster
Former Arsenal Goalkeeper, Alex Manninger, Dies In Road Accident
LGFA Approves Twelve New Playing Rule For Championship
Scott Bemand Names Ireland Team For Women's Six Nations Game With Italy
Thursday Morning Sports Update