He attended Smithson Valley High School and graduated in 2017, before joining Abilene Christian University where he played football from 2017–2020.

[3] As a fifth-year senior in 2021, he recorded a team-leading 92 tackles, broke up three passes and forced a single fumble while starting all 13 games.

[5] Although a fan favorite during the preseason,[6] "Dr. Gibby," as he was nicknamed,[7] was released at the final roster cuts and not initially re-signed to the practice squad.

[10] Gibbens was promoted to the active roster on December 10, and made his NFL debut in their game against the Jacksonville Jaguars one day later, appearing on 25 snaps.

On November 18, 2024, it was announced that Gibbens would miss the remainder of the season after undergoing surgery to repair an ankle injury he suffered in Week 11.