10 Dec, 12:23
Ireland's John Lacey will referee his first ever RBS 6 Nations match in February, while Alain Rolland is also included in the Elite Panel in what is his last season.
Shock of the day came in Eaton Park where the home side slumped to defeat against a St Mary's College side who were recording just their first victory in six outings.
Ballymena 6-9 St. Mary's College
Belfast Harlequins 24-23 U.C.D.
Buccaneers 20-14 Co. Carlow
Cork Constitution 28-25 Blackrock College
Dungannon 37-3 Galwegians
Lansdowne 13-21 Garryowen
Shannon 51-7 Dolphin (Sunday).
Clontarf - Free
Bective Rangers 10-6 U.L. Bohemians
Malone 14-20 Barnhall
Old Belvedere 29-5 Young Munster
Sunday's Well 22-28 Terenure College
Thomond 15-20 Old Crescent (Sunday)
U.C.C. 31-16 Midleton
Waterpark 24-23 Dublin University
Ballina 17-24 Queens University
Banbridge 22-20 Old Wesley
Connemara 6-10 Skerries
Corinthians 22-22 Clonakilty Highfield 20-12 Ards
Instonians 9-9 Portadown
Greystones 53-17 Suttonians
Naas 6-28 Wanderers.
City of Derry - Free