As a freshman, Smith played mostly wide receiver and served as the team's primary return specialist and had 22 receptions for 248 yards and three touchdowns.[6][7] He played running back in the 2019 Texas Bowl and rushed for 54 yards on seven carries in a 24-21 win over Oklahoma State.[8] Smith was moved to running back before the start of his sophomore season, while remaining a flex option at wide receiver.[9][2] He finished the season with 293 yards and four touchdowns on 49 carries and also caught 43 passes for a team-leading 564 receiving yards with six touchdown receptions.
Smith was named to the watchlist for the Hornung Award going into his junior season.[10] That season, he was selected as a team captain and returned to a primarily wide receiver role, leading the team in receptions. In a win over #1 ranked Alabama, he recorded six receptions for 85 yards and two touchdowns.[2]
He was briefly suspended by the team in July 2022 due to a DWI arrest, but was reinstated after the charges were dropped due to a lack of evidence.[11] After starting the first four games of his senior season, he suffered a leg injury that ended his season.[12][13] Smith was granted a fifth year of eligibility due to the injury, qualifying as a medical redshirt.[14]
On September 20, 2023, he earned SEC Special Teams Player of the Week honors after returning a punt 82 yards for a touchdown and recording a career-high 202 all-purpose yards against Arkansas, the team he was injured against the year prior.[12] He ended his fifth year leading the Aggies in all-purpose yards (1,204), receiving yards (795), and punt return yards (285), earning him first team All-SEC honors.[13]
Smith was drafted by the Philadelphia Eagles with the 152nd pick in the fifth round of the 2024 NFL draft.[18] He was placed on injured reserve on August 27, 2024.[19] He was activated on October 26.[20] Smith made his debut against the Jacksonville Jaguars. He caught one pass for no gain and rushed once for two yards.[21] On January 5, in a week 18 matchup against the New York Giants, Smith caught the first touchdown of his NFL career on a pass from quarterback Tanner McKee.[22]
Smith is the younger brother of NFL defensive back Maurice Smith.[23] On July 20, 2022, Smith was arrested into Brazos County, Texas on three charges: unlawful carrying of a weapon, driving while intoxicated, and possession of marijuana.[24] He was released the same day after posting $8,000 bail, and the charges were dropped 9 days later by the Brazos county attorney due to a lack of evidence.[11]