As a senior, he appeared in 10 games, tallying 102 tackles, 8 sacks and 3 forced fumbles.

As a true freshman, he appeared in 11 games, compiling 22 tackles (2 for loss) and one sack.

As a sophomore, he appeared in 14 games, registering 99 tackles (12 for loss), 6 sacks, 4 quarterback hurries, 5 pass breakups and one forced fumble.

As a junior, he appeared in 12 games, collecting 86 tackles (5.5 for loss), one sack, 4 interceptions, 2 quarterback hurries, one pass breakup and one fumble recovery.

He made 11 tackles, one fumble recovery (returned for a touchdown) and one interception against Southern Methodist University.

He finished his college career with 51 games, 316 tackles (31 for loss), 11.5 sacks, 7 interceptions, 8 pass breakups and 2 forced fumbles.

Smith was signed as an undrafted free agent by the Chicago Bears after the 2020 NFL draft on April 27.

[1] He was waived during final roster cuts on September 5, 2020,[2] and signed to the practice squad the next day.

[3] On September 15, 2020, the Dallas Cowboys signed Smith off the Bears' practice squad.