Thomas played with Caufield Grammar School and in 2023 he won the best and fairest award for the season.
That team included other future AFL players such as Nick Watson.
[1] Thomas was taken with pick 59 in the 2024 National draft and made his AFL debut in Greater Western Sydney's first game of the season versus Collingwood.
[2][3] Thomas collected 9 disposals on debut however didn't get on the scoresheet in their 32-point win.
Thomas kicked his first goal in his career in Round 2 of the 2024 AFL season in their 65-point win over West Coast.