In his lone season at Palomar College in 2021, Walker played all 11 games and had 187 carries for 875 yards and eight touchdowns.[1]
Oklahoma
After the 2021 season, Walker decided to walk-on to play for the Oklahoma Sooners.[2] In his first season with the Sooners in 2022 he had 18 carries for 62 yards while playing in 11 games for the Sooners.[3] In week 2 of the 2023 season, Walker rushed 21 times for 117 yards in a win over SMU.[4] In week 6, he rushed for 46 yards and two touchdowns as the Sooners main running back, helping them beat #3 Texas.[5] In week 8, Walker rushed for a career-high 146 yards and a touchdown in a loss to Kansas.[6] During the 2023 season, he had 102 carries for 513 yards and seven touchdowns, while also hauling in ten receptions for 81 yards.[7] After the season Walker entered his name into the NCAA transfer portal.[4]