On 2 March 2013, he was an unused substitute when the university defeated Mary Immaculate College by 2-17 to 2-12 to win the Fitzgibbon Cup.
[citation needed] Murphy made his only appearance for the Cork minor hurling team on 27 April 2011 in a 2-14 to 0-12 Munster Championship defeat by Limerick.
[2] On 6 June 2012, Murphy made his first appearance for the Cork under-21 team in a one-point defeat by Tipperary in the Munster Championship.
[5] On 28 July 2018, Murphy scored three points from centre-forward in Cork's 2-19 to 0-18 All-Ireland final defeat of Wexford.
[6] Murphy was added to the extended training panel of the Cork senior team just before the start of the 2014 Munster Championship.