Austin O'Callaghan presents full coverage of the Ulster Championship quarter-final between Cavan and Donegal from Kingspan Breffni Park. Jim McGuinness's side are aiming to build on a comphrehensive victory over Antrim in the preliminary round. Meanwhile Cavan, under the management of Val Andrews, are hoping to make the most of their home advantage. Commentary provided by Mark Sidebottom.

Austin O'Callaghan presents live coverage of the first semi-final of 2011's Ulster Championship, between Derry and Armagh.Derry progressed with a comfortable first-round win over Fermanagh while Armagh's dramatic defeat of Down at the Athletic Ground saw them secure their semi-final place. Mark Sidebottom commentates while Thomas Kane provides match updates from the sideline.

Live coverage from St.Tiernach's Park in Clones of Tyrone against Donegal in the Ulster Championship semi-final.Mickey Harte's side are bidding for a third consecutive provincial title, while Donegal have already recorded impressive victories over Antrim and Cavan. Austin O'Callaghan is joined in studio by Martin McHugh and Jarlath Burns.Commentary by Mark Sidebottom and Peter Canavan.