He made his debut in the senior grade in a National Hurling League game in 1964.

He made his debut in a National Hurling League game against Antrim in 1998.

He made his debut as a substitute in a National Hurling League game against Galway.

He impressed in a number of National Hurling League games and was chosen on the starting fifteen for the final against Dublin.

He made his debut in 1989 in a National Hurling League game against Dublin.

He made his senior debut in 1993 in a National Hurling League game against Galway.

He made his senior debut in a National Hurling League game against Kilkenny in 1969.

The following year Butler made his senior competitive debut in a National Hurling League game against Cork.

He made his competitive debut the following season in a National Hurling League game against Galway.

By this stage Casey had made his senior debut in National Hurling League games.