There were six Limerick sides in action, with three winning and three losing their opening round fixtures over the weekend.
The Energia AIL Men’s Divisions kicked off over the weekend, with six Limerick sides in action across multiple tiers.
Shannon were one of two teams representing Limerick in Division 1A, and they got their campaign off to a great start, picking up a 27-22 win over UCD.
Young Munster are also competing in Division 1A, and will be disappointed to leave Dublin empty handed following their 29-14 loss to Lansdowne.
Garryowen suffered a ten point defeat to Highfield in Division 1B. They are the sole Limerick competitor in this grade.
UL Bohemian kicked off their Division 2A season with a loss at the hands of Nenagh Ormond, while Old Crescent ran out five point winners over MU Barnhall.
The final Limerick side can be found competing in Division 2C, where Bruff got their campaign off to a great start, marching to a 32-26 win over Clonmel.
In the other ties, reigning champions Terenure kicked off their title defence with a narrow win at home to Ballynahinch, while City of Armagh ran Cork Con close in a live game on Saturday evening.
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Energia All Ireland League Results
Division 1A
Dublin University 24-34 Clontarf
Lansdowne 29-14 Young Munster
Shannon 27-22 UCD
Terenure College 16-13 Ballynahinch
Cork Constitution 28-21 City Of Armagh
Division 1B
Highfield 20-10 Garryowen
Old Belvedere 18-20 Naas
Queens 20-38 Old Wesley
St. Mary’s College 41-25 Buccaneers
UCC 20-31 Blackrock College
Division 2A
Banbridge 26-14 Cashel
Ballymena 23-29 Navan
Malone 13-26 Greystones
Nenagh Ormond 29-15 UL Bohemian
Old Crescent 15-10 MU Barnhall
Division 2B
Belfast Harlequins 30-27 Malahide
Dungannon 48-14 Dolphin
Galway Corinthians 36-26 Wanderers
Rainey Old Boys 31-33 Sligo
Skerries 19-47 Instonians
Division 2C
Tullamore 22-28 Galwegians
Ballina 7-34 Clogher Valley
Clonmel 26-32 Bruff
Enniscorthy 28-16 Omagh Academicals
Midleton 18-17 Bangor