Molloy first played hurling to a high standard as a student at St. Brigid's Vocational School in Loughrea.

[4] He was full-forward on the team that suffered defeat by Rower-Inistioge in the 2014 All-Ireland Club IHC final.

[5] Molloy's inter-county career with Galway began with a three-year association with the minor team.

[9][10] By this stage, Molloy had already joined the senior team, having made his debut during the successful Walsh Cup campaign in 2015.

[12] Molloy remained a peripheral figure with the team over the following few years and was a member of the extended training panel when Galway beat Waterford to claim the All-Ireland SHC title in 2017.