[2] Walker grew up playing basketball before deciding to make the switch to football.
She played under-18s football for the Sandringham Dragons in the NAB League Girls, averaging 16 disposals in three matches before the 2020 season was shut down due to the COVID-19 pandemic.
[1] Carlton selected Walker with their second pick, and twenty-eight overall, in the 2020 AFL Women's draft.
[3] She made her AFLW debut in Carlton's 24-point win over St Kilda at Moorabbin Oval in round 3 of the 2021 season.
[2] She signed a two-year contract with Carlton on 10 June 2021, after it was revealed the team had conducted a mass re-signing of 13 players.