He played college football at Minnesota, and was selected by the New York Giants in the seventh round of the 2020 NFL draft.

After playing in 14 games with 1 start, and making 5 tackles over his first two seasons with the Gators, Williamson transferred to the University of Minnesota.

In his junior year, 2018, he settled into the nickelback role, where he played 11 games as a reserve, recording 34 tackles, four pass breakups, and one interception.

[1] During his senior season of 2019, he became a starter and recorded 57 tackles including four for a loss, 2.5 sacks, one interception and three pass breakups.

[3] Williamson was selected by the New York Giants with the 247th pick in the seventh round of the 2020 NFL draft.