Offaly and Galway will lock horns in their semi-final at O'Moore Park at 3:30pm.
Galway are bidding to reach the Leinster final for the fifth time since joining the province in 2009.
Offaly last reached the final in 2004.
There's also an Ulster Hurling Championship semi-final double header at the Athletic Grounds.
Derry face Antrim at 5pm while Down go up against Armagh at 7pm.
Tyrone and Cavan will be aiming to book their place in the Ulster Football Championship final.
They go head to head in their semi-final in Clones from 2pm.
They meet in the championship for the first time since 2005 when Tyrone won an Ulster semi-final replay after the sides had drawn six days earlier.
In Round 1A of the football qualifiers,
Leitrim face Waterford at Pairc Sean Mac Diarmada at 2pm.
They meet in the championship for the first time.
