The Laois Champions face Rathdowney-Erill in their opening match.
Reigning Laois Senior Hurling champions Clough/Ballacolla begin their hunt for a fourth championship title in a row this evening.
They face fellow championship contenders Rathdowney-Erill in the first round in group A.
Rosenallis and The Harps face off in the other group game on Saturday.
Speaking to Pat O'Sullian, Stephen Maher says despite being labelled as early favourites, there are many teams on the same level as each other.
Throw in this evening from O'Moore Park, Portlaoise is at 7:30pm.
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