Cork kept up their unbeaten run in the Munster Hurling Championship.
They came from behind to beat Waterford by 1-26 to 25 points at Walsh Park.
Mark Coleman with the all important goal in the second half.
Galway are also three from three in the Leinster championship.
Three goals in the second half were enough to beat Kildare by 4-22 to 1-22.
Wexford's struggles continued as they suffered a 2-21 to 22 point loss at home to Dublin.
There was better news for the Wexford footballers who opened their Tailteann Cup campaign with a victory.
Goals from Liam O'Connor and Michael Kinsella helped them to a 2-19 to 1-11 win over Limerick.
Offaly are also on the board after beating Clare by 1-17 to 1-14.
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Kilkenny can close the gap to leaders Galway in the Leinster hurling championship today.
The Cats are in Offaly for a round three clash at 3pm.
The Tribesmen are unbeaten thanks to their win over Kildare yesterday.
Dublin are second as they were too good for Wexford.
