Austin O'Callaghan presents coverage of the first All-Ireland quarter-final between Ulster champions Monaghan and Tyrone from Croke Park.
After losing in the first round of the provincial championship against Donegal, Tyrone have bounced back well in the qualifiers with wins over Offaly, Kildare and Meath, while Monaghan are bidding to make it through to the last four for the first time in 25 years.