[2] Reilly made his debut just one year out of the rugby nursery of St Joseph's College, Hunters Hill.
Reilly made his debut for the Australian sevens team in April 2018.
In round 25 of the 2023 NRL season, Reilly made his first grade debut for the Wests Tigers against the Dolphins.
Reilly played two further games for the club as they finished the year with the Wooden Spoon.
On 21 November, it was announced by the Wests Tigers that they had released Reilly after he was not offered a new contract.