At club level, he plays with Salthill-Knocknacarra, while he is also a member of the Galway senior hurling team.
He enjoyed his first success in 2021 when Salthill claimed the Galway JHC title.
[1] O'Shea later claimed a Conancht JCHC title after a defeat of Easkey in the final.
[3] O'Shea first appeared at inter-county level with Galway as full-forward on the minor team that won the All-Ireland MHC title in 2018.
[4] As well as being Galway's top scorer, he was also named GAA Minor Star Hurler of the Year.