Friday
Magners League:
Glasgow Warriors v Ulster, Firhill (7.05)
Leinster v Ospreys, RDS (7.05)
Saturday
Magners League:
Scarlets v Cardiff Blues, Parc y Scarlets (6.30)
AIB League Division One semi-finals (2.30):
Cork Constitution v Dolphin, Temple Hill
St Mary's College v Old Belvedere, Templeville Road
Division Two semi-finals (2.30):
Lansdowne v DLSP, RDS
Bruff v Terenure College, Kilballyowen Park
Division Three semi-finals (2.30):
QUB v Banbridge, Dub Lane
Midleton v Nenagh Ormond, Towns Park
AIB League Provincial Round Robin (2.30):
City of Derry v Richmond, Judge's Road
Monivea v Seapoint, Castle Grounds
ODM Munster Senior Cup Final:
UCC v Young Munster, Musgrave Park (4.0)
Sunday
Magners League:
Connacht v Munster, Sportsground (5.05)
Dragons v Edinburgh, Rodney Parade (5.05)