The last two remaining All-Ireland semi-final places will be decided today, with another quarter-final double-header at Croke Park.
The all-Ulster clash of Monaghan and Tyrone wil begin proceedings today, with Monaghan hoping to build on their Ulster final victory over Donegal, while Tyrone have gathered momentum through the qualifier series, having lost to Donegal at the start of the Championship.
Throw-in for the opening game is at 4pm.
In the second quarter-final, Mayo and Donegal will renew their rivalry in what is a repeat of the 2012 All-Ireland final and the 2013 All-Ireland quarter-final.
Throw-in for that one is at 6pm this evening.
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The curtain-raiser at Croke Park today will be the All-Ireland Junior Championship final between Kerry and Mayo at 2pm.
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There's also action this afternoon in the TG4 All Ireland Senior Ladies Football Championship.
It's a qualifier double-header at Kingspan Breffni Park.
First-up will be the all-Ulster clash of Cavan and Monaghan at 5:15, which will be followed by the meeting of Armagh and Westmeath from quarter-past seven.
