The Ulster Senior Football Championship continues in earnest this weekend as Derry take on champions Tyrone for a place in the provincial semi-final.
The winner will meet last year's Ulster finalists Donegal. In the pick of Saturday's action, Westmeath and Offaly meet in the Leinster SHC at Cusack Park.
Meanwhile, Cork's footballers will look to emulate the success of the hurlers when they face Waterford in the Munster SFC quarter-final.
On Sunday, Clare meet Limerick in the quarter-final of the Munster SFC. In Connacht, London host Leitrim in Ruislip.
Elsewhere, Galway and Dublin meet in the Leinster SHC quarter-final. Before this, Laois take on Wexford in O'Moore Park.
Saturday May 27
Munster SFC QF
Waterford v Cork, Fraher Field, 7pm
Leinster SHC QF
Westmeath v Offaly, TEG Cusack Park, 7pm
Sunday May 28
Ulster SFC QF
Derry v Tyrone, Celtic Park, 2pm
Connacht SFC QF
London v Leitrim, Ruislip, 3pm
Munster SFC QF
Clare v Limerick, Cusack Park, 3.30pm
Leinster SHC QF
Galway v Dublin, O'Connor Park, 4pm
Laois v Wexford, O'Moore Park, 2pm
