Galwegians secured the result of the day in Division 1A as they upset defending champions Lansdowne, while table toppers Clontarf drew with Young Munster. In the second tier, pacesetters Old Wesley, Ballymena, St. Mary's and Buccaneers all won on their travels.
The top four teams in Ulster Bank League Division 1B are all on the road this weekend, with St. Mary's Dublin derby clash with Blackrock drawing most of the attention. All gate receipts from the game at Stradbrook will go to the Berkeley tragedy fund.
Highlights of Lansdowne's 24-10 Friday Night Lights victory over Terenure College on the Aviva Stadium's back pitch, as Mike Ruddock's men maintain their unbeaten start to the Ulster Bank League season.
Three games in and five teams are within a point of each other at the top of the Division 2A table. Two of them clash this weekend when Cashel host Naas, while Banbridge are at home to a dangerous looking Nenagh Ormond outfit.
Division 2A looks set to be fiercely competitive this season with only a point currently separating the top five teams. Banbridge hold a slight lead despite being pipped by Thomond on Saturday afternoon.
St. Mary's College showed little mercy to visitors Shannon as they coasted to a six-try 45-12 triumph at Templeville Road. Peter Smyth's side did almost all of the damage in the first half during which they scored five tries for a 35-7 lead.
It is as you were at the top of Ulster Bank League Division 1B as pacesetters Old Wesley collected their third bonus point victory, overcoming Belfast Harlequins 33-8 in Saturday's late afternoon kick-off at Donnybrook.