FRIDAY– Heineken Cup: Pool 3 (8.0) Connacht v Zebre, Sportsground; Biarritz v Harlequins, Parc des Sports Aguilera.
British Irish Cup: Munster v Plymouth, Temple Hill, (7.0)
Ulster Bank League (7.30), Division 2A: Bective Rangers v Greystones, Donnybrook (8.0). Division 2B: Nenagh Ormond v Thomond, New Ormond Park (7.30).
SATURDAY– Heineken Cup: Pool 4 (1.35) Glasgow v Northampton, Scotstoun Stadium; Castres Olympique v Ulster , Stade Pierre Antoine; Pool 6 (3.40), Cardiff v Sale, Cardiff Arms Park; Montpellier v Toulon, Stade Yves du Manoir; Pool 5 (6.00) Exeter Chiefs v Leinster, Sandy Park ; Scarlets v ASM Clermont , Parc y Scarlets.
All-Ireland Bateman Cup Semi Finals: Galwegians v St. Marys College, Crowley Park, (2.30); Ballymena v Cork Constitution, Eaton Park, (2.0).
Ulster Bank League (2.30), Division 2A: City of Derry v Queens University, Judges Road; Corinthians v Highfield, Corinthian Park; Midleton v D.L.S.P., Towns Park; Old Wesley v U.C.C., Donnybrook; Seapoint v Cashel RFC, Kilbogget Park; Terenure College v Banbridge, Lakelands Park. Division 2B: Ards v Naas, Hamilton Park; Clonakilty v Navan, The Vale; Connemara v Sligo, Monastery Field; NUIM Barnhall v Instonians, Parsonstown; Rainey OB v Boyne, Hatrick Park; Sundays Well v Skerries, Musgrave Park; Suttonians v Armagh, JJ McDowell Memorial Grounds.
British Irish Cup: Connacht Eagles v Newport, Dubarry Park (2.0); Leeds Carnegie v Leinster A, John Charles SC (2.0); Bridgend v Ulster Ravens, Brewery Field (2.30).
SUNDAY– Heineken Cup: Pool 1 (12.45) Munster v Racing Métro 92, Thomond Park; Saracens v Edinburgh, Vicarage Road; Pool 2 (3.00) Leicester v Toulouse, Welford Road; Treviso v Ospreys, Stadio Comunale di Monigo Ends.