The GAA has confirmed a football qualifer triple-header for Croke Park on Saturday.
The meeting of Cavan and London will get the action under way at GAA HQ, before Cork take on Galway and Meath face Tyrone.
Meanwhile Donegal and Laois will meet in Pairc Sean MacDiarmada in Carrick on Shannon, Co Leitrim this Saturday in the other fourth round tie.
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The defending champions were defeated by Monaghan yesterday in the Ulster final.
Saturday, July 27:
Donegal v Laois, Carrick-on-Shannon, 5pm
London v Cavan, Croke Park, 3pm
Cork v Galway, Croke Park, 5pm
Meath v Tyrone, Croke Park, 7pm
©INPHO/James Crombie