Videos online show the chancer posing with superstar TJ Reid.
A man on a stag party, dressed in a full Kilkenny hurling kit, snuck past security to get onto the pitch at Croke Park yesterday.
The Cats stunned Galway yesterday with a goal in the final seconds of the Leinster hurling final - to win by a point.
Bredagh club hurler Aaron Maguire dressed in a full kit - helmet and hurley included - and marched onto the pitch to celebrate the win.
Videos online show the chancer posing with superstar TJ Reid.