Armour-Davis suffered a season-ending knee injury during preseason training camp as a freshman and used a medical redshirt.[3] He played in eight games during his redshirt freshman season.[4] Armour-Davis played mostly on special teams as a redshirt sophomore. He was named a starter at cornerback going into his redshirt junior year and finished the season with 32 tackles, four passes broken up and three interceptions.[5] Following the end of the season, Armour-Davis entered the 2022 NFL draft.[6]
Armour-Davis was drafted by the Baltimore Ravens in the fourth round, with the 119th overall selection, of the 2022 NFL draft.[9] He played in four games as a rookie before being placed on injured reserve on November 26, 2022, with a hip injury.[10][11] In the 2023 season, he appeared in eight games and logged six total tackles.[12]
Armour-Davis made 7 appearances (2 starts) for Baltimore in 2024, recording 1 pass deflection and 8 combined tackles. On January 3, 2025, he was placed on injured reserve with a hamstring injury, ending his season.[13]