As a junior McInnes played for YJFL clubs Canterbury Cobras and Surrey Park Panthers.

[1] He became a member of Collingwood’s Next Generation Academy program, due to his mother being born in the Philippines.

McInnes played with future Collingwood teammates Finlay Macrae and Trent Bianco at the Oakleigh Chargers.

[5] He also played for Scotch College alongside fellow 2020 draftees Jamarra Ugle-Hagan and Maurice Rioli Jr.

He was unable to play any football during his draft year of 2020, due to the impact of the COVID-19 pandemic in Victoria.