Donegal dominant on their return
Donegal marked their return to division one of the ladies' national league with an impressive 11-point win over Armagh at Convoy, 4-10 0-11.
Two first half goals from Paula McGrory put Donegal on course with Amber Barrett and Roisin Friel adding to the tally in the second half.
Armagh's Aimee Mackin also had a second half penalty saved by Donegal keeper Laura Gallagher as Michael Naughton's side dominated.
Monaghan suffered a five-point loss away to Dublin on a 1-7 to 0-5 scoreline. Cork beat Kerry while Cora Staunton scored all of Mayo's 1-10 as they lost by one to Galway.
In division two Tyrone secured their first opening day win in almost a decade as they beat Sligo by four points at Omagh.
Gemma Begley marked her return to action after a year out with 1-4 , the goal coming late in the contest. Ciara Gorman top scored with 1-5 for the visitors who trailed throughout.
Niamh O'Neill tagged on 0-4 while the Tyrone performance was underscored by pace and slick interchange play.
Cavan suffered a two-point loss in their away trip to Westmeath. The Breffni side trailed 1-8 to 1-3 at the break and despite the midlanders only scoring one point in the second half they held on.
Favourites for promotion from the second tier Waterford drew away to Clare with Laois edging out Tyrone's next opponents Kildare.
Down's division three campaign got off to a bad start as Meath eased to a 1-16 to 0-11 win at Ballykinler.
Two first half goals from Joanne Doonan and a Nuala McManus strike set Fermanagh on course for a massive moral-boosting win in division four against Derry.
A new-look Erne side led 3-3 to 0-3 at the break, with Kate Holly, Beth Heaney and Megan Devine scoring the Derry points. Fermanagh tagged on another 1-4 in the second period while Doonan completed her hat-trick in a 4-7 to 1-4 win, the best possible start for manager Emmett Curry.
A youthful Antrim were outclassed by Longford. They only managed two points with Longford crushing them by thirty nine points - 7-20 to 0-2. A stiff learning curve for the Saffrons lies ahead in this national league campaign.