As a senior, he was a two-way starter at wide receiver and cornerback on the high school football team.

[1] He helped the team reach the playoffs, while amassing over 1,200 receiving yards, 20 touchdowns and being named All-District 16-AAA.

He had two returns for a touchdown and was named the American Athletic Conference's Special Teams Player of the Year.

[7] In the 2018 Birmingham Bowl against Wake Forest, he recorded 318 all-purpose yards (209 on kickoff returns) and one rushing touchdown.

[15] During Week 3 against the Miami Dolphins, Pollard posted his first career 100+-yard game as he finished with 103 rushing yards on 13 carries and a touchdown as the Cowboys won 31–6.

[16] During Week 15 against the Los Angeles Rams, Pollard finished with 131 rushing yards on 12 attempts, including a 44-yard touchdown as the Cowboys won 44–21.

[18] Pollard continued his role as a backup to Ezekiel Elliott to go along with some kickoff return duties in the 2020 season.

Pollard was carted to the X-ray room with an air cast on his leg, and later underwent surgery to repair the injury.

[37] Pollard signed a three-year deal with the Tennessee Titans on March 14, 2024, and was named the starting running back for the 2024 season.

[38] Pollard had 16 carries for 82 yards and one touchdown in his Titans debut in a 24–17 Week 1 loss to the Chicago Bears.

[42] Pollard appeared in 16 games, although started missing snaps later in the season due to an ankle injury.