Anderson was named to The Atlanta Journal-Constitution's "Super 11" team and played in the 2020 All-American Bowl.

[7][8][9] He was named second-team All-Southeastern Conference (SEC) after finishing with seven quarterback sacks and 10.5 tackles for loss as the Crimson Tide won the 2021 College Football Playoff National Championship.

[10] As a sophomore in 2021, Anderson won the Bronko Nagurski Trophy, was named the SEC Defensive Player of the Year, and was voted a unanimous All-American after recording 17.5 sacks and 34.5 tackles for loss, both of which led the nation.

[17] In the 2022 season, Anderson had 51 total tackles (24 solo), ten sacks, and one interception in 13 games.

[34] Anderson was named to the 2023 Pro Bowl following an injury to American Football Conference starter Maxx Crosby.

[35] In his postseason debut, Anderson had a sack in the 45–14 victory over the Browns in the Wild Card Round.