[7] Cadogan became a dual player in the under-21 grade on 17 July when he lined out for the Cork under-21 hurling team in their 5-19 to 2-13 defeat by Tipperary in the Munster Championship.
[8] Cadogan won a third successive Munster Championship medal with the Cork under-21 football team on 9 April 2014 when he scored five points from play in the 1-18 to 3-08 defeat of Tipperary in the final.
[9] On 30 July, he was held scoreless at full-forward when the Cork under-21 hurling team suffered a 1-28 to 1-13 defeat by Clare in the Munster Championship final.
[11] He was later included on Cork's panel for the 2014 Munster Championship and made his debut on 25 May in a 1-21 apiece draw with Waterford, in which he was also named man of the match.
[12] On 3 July, Cadogan won a Munster Championship medal after scoring four points in Cork's 2-24 to 0-24 defeat of Limerick in the last final to be played at the old Páirc Uí Chaoimh.
He made his only appearance for the team on 15 December 2016 when he came on as a half-time substitute for Brendan Maher and collected a Railway Cup medal following the 2-20 to 2-16 defeat of Leinster.