Football Championship: All You Need to Know

SATURDAY 25 MAY

All-Ireland SFC Group 1
Armagh v Westmeath, BOX-IT Athletic Grounds, 6pm

All-Ireland SFC Group 2
Dublin v Roscommon, Croke Park, 5pm

All-Ireland SFC Group 3
Donegal v Tyrone, Ballybofey, 7.15pm

All-Ireland SFC Group 4
Louth v Meath, Inniskeen, 5.30pm

ONLINE
Live blogs on the day's action on RTÉ Sport Online and RTÉ News app.

TV
Dublin-Roscommon and Donegal-Tyrone live on GAAGO. Highlights of all the weekend's action on The Sunday Game, RTÉ2 and the RTÉ Player from 9.30pm.

RADIO
Live commentaries and updates on RTÉ Radio 1's Saturday Sport and RTÉ Raidió na Gaeltachta's Spórt an tSathairn.

WEATHER
Dry at first tomorrow on Saturday turning cloudy from the southwest. Through the morning, some rain and drizzle will move into Munster, turning more persistent in the afternoon, and slowly tracking northeastwards. Highest temperatures of 12 to 16 degrees, mildest in north Leinster and Ulster, with the best of the sunny spells and where it will stay largely dry until later in the day. Southeasterly winds will increase moderate, occasionally fresh. For more go to met.ie.

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Ulster heavyweights face off again

Four weeks is not a long time in championship football, but a lot to change in the interim. Donegal and Tyrone served up a gripping tussle in the Ulster semi-final on 28 April. In the end, McGuinness' men prevailed after extra-time. In truth, the Red Hand looked the likely winners for a lot of the contest.

The sides were level on nine occasions, before Tír Chonaill produced a