Hastings Insurance McHale Park is the setting for this afternoon's interpro derby in the URC.
Connacht call Castlebar their home today, as they take on Munster.
Both sides have welcomed back a host of Ireland internationals to their respective starting 15s for the game in Mayo.
Kick-off is at half 2.
Leinster's South African odyssey continues later - they're away to the Sharks in Durban from 5.15.
Ulster have leapfrogged the Stormers after beating them in the URC in Belfast.
Robert Baloucoune marked his return from injury with a try, in a bonus-point 38-34 win over the South African franchise at the Kingspan Stadium.
Elsewhere, Edinburgh thrashed Dragons by 38 points to 5 at the Hive.
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St Mary's can join Clontarf in securing their playoff status in Division 1A of the Energia All-Ireland League this afternoon.
A win over City of Armagh at Templeville Road will see them safely through to the post-season action.
Defending champions Cork Con continue their playoff push with a trip to Ballynahinch.
Terenure College are three points outside the top four, ahead of the visit of Young Munster to Lakelands.
Fourth-placed Lansdowne can keep Terenure at arm's length with a win at UCD.
And it's top versus bottom as Garryowen welcome Clontarf to Dooradoyle.
All of those games get underway from half 2.
