Scully played hurling at levels as a student at Ardscoil Rís in Limerick.
He was part of the team that won the club's inaugural Limerick PIHC title in 2023, following a 2-20 to 3-16 win over Blackrock in the final.
[4] Scully first appeared on the inter-county scene with Limerick during a two-year tenure with the minor team.
[5][6] Scully immediately progressed to the under-20 team and was at wing-back when Kilkenny beat Limerick in the 2022 All-Ireland under-20 final.
[8] Scully made his senior team debut in a National Hurling League game against Cork in February 2025.