Murphy first came to hurling prominence with the combined Ballinamere/Durrow club at juvenile and underage levels, before later joining the Ballinamere club's top adult team. He first appeared on the inter-county scene as a member of the Offaly under-17 team that won the Celtic Challenge in 2016. After also lining out with the Offaly under-20 team, Murphy was drafted onto the senior team in advance of the 2021 National Hurling League.
