A complete guide to this week's rugby fixtures.
Friday
Heineken Cup
Pool 1:Munster v Northampton Saints, Thomond Park (8.0); Perpignan v Benetton Treviso, Stade Aime Giral (8.0).
Saturday
Heineken Cup
Pool 3:Viadana v Clermont Auvergne, Stadio Zaffanella (1.35); Ospreys v Leicester Tigers, Liberty Stadium (1.35). Pool 4:Bath v Ulster, Recreation Ground (3.45); Edinburgh v Stade Francais, Murrayfield (3.45). Pool 6:Brive v Scarlets, Stade Domenech (6.0); London Irish v Leinster, Twickenham (6.0).
Amlin Challenge Cup
Olympus Madrid v Connacht, Ciuadad Universitaria (3.0).
AIB League Division 1A(2.30): Blackrock College v Clontarf, Stradbrook; Dolphin v St Mary's College, Musgrave Park; Garryowen v Cork Constitution, Dooradoyle; UL Bohemian v Shannon, tbc.
Division 1B:Ballymena v Old Belvedere, Eaton Park; Dungannon v UCC, Stevenson Park; Galwegians v Buccaneers, Crowley Park; Young Munster v Ballynahinch, Tom Clifford Park.
Division Two(2.30): Belfast Harlequins v UCD, Deramore Park; Bruff v Greystones, Killballyowen Park; Corinthians v Highfield, Corinthian Park; Lansdowne v Dublin University, RDS; Old Crescent v Malone, Rosbrien; Old Wesley v Clonakilty, Donnybrook; Terenure College v DLSP, Lakelands.
Division Three(2.30): Banbridge v Barnhall, Rifle Park; Carlow v Rainey OB, Oak Park; Instonians v Suttonians, Shaws Bridge; Midleton v Sunday's Well, Towns Park; Navan v Wanderers, Balreask Old; Portadown v Connemara, Chambers Park; QUB v Nenagh Ormond, Dub Lane.
Sunday
Heineken Cup
Pool 2:Biarritz Olympique v Glasgow Warriors, Parc des Sports Aguilera (12.45); Newport Gwent Dragons v Gloucester, Rodney Parade (12.45). Pool 5:Harlequins v Cardiff Blues, The Stoop (3.0); Sale Sharks v Toulouse, Edgeley Park (3.0)
Sunday
AIB Division Two(2.30): Bective Rangers v Thomond, Donnybrook.