All-Ireland champions Galway got their Division 1 campaign off to the worst possible start, as they fell to a powerful Kilkenny outfit in Ballinasloe.
The Noresiders had the memory of their All-Ireland final loss to the Westerners to motivate them and they flew out of the traps, doing most of the damage in the first half before easing to a 2-11 to 0-8 success.
They looked sharp from the outset, with Shelley Farrell to the fore in an excellent display.
It was easy for Offaly as they beat Tipperary 2-17 to 0-10 in Birr.
The home team played against the wind in the opening period, at the end of which they trailed by just 0-8 to 0-6.
Natalie McCabe goaled after 38 minutes and four minutes later, substitute Arlene Watkins rifled a shot to the net to finish the game as a contest.
Clare used the elements well to account for Derry in Bray, holding their opponents scoreless while scoring 1-11. The Oak Leafers will take plenty of encouragement from their second-half efforts though, particularly as they were without the injured Karen Kielt.
Katrina Mackey racked up 4-3 as Cork blitzed Dublin 8-18 to 1-4. There were goals too for Jenny O'Leary, Orla Cotter, Eimear O'Sullivan and Joanne Casey.