A complete guide to this week's GAA fixtures – compiled by Ian O'Riordan.
WEDNESDAY:
Sigerson Cup Quarter-Finals(All games 2.0 unless stated; Extra-time if necessary): UUJ v NUI Galway, Kingspan Breffni Park, Cavan; Cork IT v DCU, Cork IT; GMIT v DIT, Pearse Stadium, Galway; Garda College v UCD, Templemore.
FRIDAY
Fitzgibbon Cup Round 1(Extra-time if necessary): LIT v Tipp Inst-St Patrick's, Limerick, 2.0; St Patrick's Mater Dei v NUI Galway, DCU Sportsgrounds, 2.0.
SATURDAY
AIB All-Ireland Club SF semi-finals(Extra-time if necessary): Corofin (Galway) v Kilmacud Crokes (Dublin), Mullingar, 2.30, J White (Donegal); Dromcollogher-Broadford (Limerick) v Crossmaglen Rangers (Armagh), Longford, 2.30, D Fahy (Longford).
Interprovincial Hurling semi-finals(Extra-time if necessary):: Connacht v Munster, Pearse Stadium, 2.30, F Smith (Meath); Ulster v Leinster, Casement Park, 2.30, D Richardson (Limerick).
SUNDAY
AIB All-Ireland Club SH semi-finals(Extra-time if necessary): Portumna (Galway) v Ballyhale Shamrocks (Kilkenny), Thurles, 2.30, J Ryan (Tipperary); De La Salle (Waterford) v Cushendall (Antrim), Parnell Park, 2.30, E Morris (Dublin).
Leinster Under-21 Football Round One: Louth v Dublin, Drogheda, 2.30, C Costello (Offaly).