[2] After taking a medical redshirt his first year at Baylor in 2017, Smith played in six games in 2018, rushing four times for 11 yards.
[4][5][6] Smith was named the starting running back for the 2021 Baylor Bears football team and helped lead the Bears to a school record 12–2 season capped with a 2021 Big 12 Championship Game title and a 2022 Sugar Bowl victory.
During the 2022 Sugar Bowl versus the Ole Miss Rebels, Smith rushed for 172 yards on 25 carries.
[7][8] Smith was named second-team All-Big 12 and a finalist for the Earl Campbell Tyler Rose Award (2021).
[9] Smith signed with the New Orleans Saints as an undrafted free agent on May 1, 2022.