She previously played for the College side Alabama Crimson Tide women's basketball.

[1] Walker attended Jefferson Davis High School where in her senior year in 2015–16, she averaged 19.3 ppg.

[3] Walker started her college career at the Florida State Seminoles women's basketball team in 2016, where she played just five games and had a season high of 14 points in a game against Winthrop Eagles women's basketball team.

[5] Source[6] On April 15, 2021, the Los Angeles Sparks selected Walker as the 7th pick in the 2021 WNBA draft.

On February 24, Walker signed a training camp contract with the Seattle Storm.