[4] Purchase returned to the starting line-up for his senior season and earned second-team All-Big West honours in 2019.
[5] He joined Melbourne United of the National Basketball League (NBL) as a development player for the 2019–20 season.
[7] He played four games in NBL1 Central for the North Adelaide Rockets in the 2021 season before he moved to the Hobart Chargers of NBL1 South.
[13] Purchase returned to the Melbourne Tigers for the 2023 NBL1 South season[14] and won co-MVP honours and was named to the All-Star Five.
[16] Purchase joined the Hyderabad Falcons of the Indian National Basketball League (INBL) for the 2025 season.