A complete guide to this week's rugby fixtures.
Thursday
Colours match: UCD v Dublin University, Donnybrook (6.30)
Friday
Magners League: Scarlets v Ulster, Parc y Scarlets (7.05); Connacht v Glasgow warriors, Sportsground (8.0).
Saturday
Magners League:Dragons v Munster, Rodney Parade (6.30)
AIB League Division 1A(2.30): Blackrock College v St Mary's College, Stradbrook; Clontarf v Garryowen, Castle Avenue; Cork Constitution v Shannon; UL Bohemian v Dolphin.
Division 1B(2.30): Ballynahinch v Buccaneers, Ballymacarn Park; Dungannon v Old Belvedere, Stevenson Park; Galwegians v Ballymena, Crowley Park; UCC v Young Munster, Mardyke.
Division Two(2.30): Bective Rangers v Clonakilty, Donnybrook; Belfast Harlequins v Malone, Deramore Park; Corinthians v Thomond, Corinthian Park; Lansdowne v Highfield, RDS; Old Crescent v DLSP, Rosbrien; Terenure College v Greystones, Lakelands.
Division Three(2.30): Ards v Nenagh Ormond, Hamilton Park; Barnhall v Carlow, Parsonstown; Connemara v Navan, Monastery Field; Portadown v Midleton, Chambers Park; Rainey OB v Instonians, Hatrick Park; Sunday's Well v Naas, Musgrave Park; Suttonians v Banbridge, JJ McDowell Memorial Grounds; Wanderers v QUB, Merrion Road.
Sunday
Magners League:Edinburgh v Ospreys, Murrayfield (2.0); Cardiff Blues v Leinster, Cardiff City stadium (4.0)
AIB League Division Two(2.30): Old Wesley v Bruff, Donnybrook.