He played college football for the Azusa Pacific Cougars and Fresno State Bulldogs and was selected by the Atlanta Falcons in the fourth round of the 2020 NFL draft.

Walker has also been a member of the Chicago Bears, Las Vegas Raiders, and Pittsburgh Steelers.

Walker played two seasons at Azusa Pacific University before transferring to Fresno State.

[1] Walker was selected by the Atlanta Falcons with the 119th overall pick in the fourth round of the 2020 NFL draft.

[3] In Week 14 of the 2021 season, Walker intercepted Cam Newton and returned it 66 yards for a touchdown in a 29-21 win over the Carolina Panthers.