In Brownlee's first collegiate season in 2019, he played in just one game notching one tackle.[6] In week eight of the 2020 season, Brownlee recorded his first career interception versus NC State.[7] Brownlee finished the 2020 season with 26 tackles with two being for a loss, a sack, a pass deflection, and an interception.[8] In week eight of the 2021 season, Brownlee intercepted a pass which he returned 70 yards for a touchdown, as he helped Florida State rout UMass.[9] Brownlee finished the 2021 season notching 51 tackles with two being for a loss, three pass deflections, two interceptions, a forced fumble, and a touchdown.[10] After the conclusion of the 2021 season, Brownlee decided to enter the NCAA transfer portal.[11][12]
Brownlee finished his career at Florida State playing in 24 games with 15 starts, where he totaled 78 tackles, seven pass deflections, three interceptions, and a forced fumble.[13]
Louisville
Brownlee decided to transfer to play for the Louisville Cardinals.[14][15] In Brownlee's first season with Louisville in 2022, he posted 66 tackles with two and a half being for a loss, 12 pass deflections and two interceptions.[16] In the 2023 season, Brownlee missed three games with a foot injury, but he still notched 30 tackles, six pass deflections, an interception and a fumble recovery.[17] After the conclusion of the 2023 season, Brownlee declared for the 2024 NFL draft.[18][19]
The Titans selected Brownlee with the 146th pick in the fifth round of the 2024 NFL draft.[22] Originally in possession of the Philadelphia Eagles, the Titans received the 146th pick from the Eagles after trading safety Kevin Byard for Terrell Edmunds.