He was ranked as a four-star recruit and committed to play college football for the Georgia Bulldogs.

[4] In week 3 of the 2022 season, he notched four tackles and his first career interception[citation needed] against South Carolina.

[5] Marshall finished his career for the Georgia Bulldogs with 30 tackles with four and a half being for a loss, a sack, a pass deflection, and an interception.

[4] In week 5 of the 2023 season, Marshall recorded nine tackles along with a sack and a half in a win versus Mississippi State.

[9] Marshall and 4th ranked Alabama ended their season with an 27–20 overtime loss to Michigan in the CFP.