As a freshman, in 2016, Harrell recorded 81 tackles, with 16 tackles for a loss. As a sophomore, he registered 72 tackles, 8 tackles for a loss and 2 sacks. As a junior he posted career highs, making 106 tackles, 20 tackles for a loss and 5 sacks. In 2019, as a senior, he had 58 tackles, 11 tackles for loss and 3 sacks.
Harrell was a four star recruit, and named to the PrepStar Magazine Top 150 Dream Team, as the #137 ranked player in the nation.[2] On December 11, 2019, he committed to the University of Michigan to play college football.[3][4]
College career
Harrell enrolled at the University of Michigan in 2020. As a true freshman, Harrell appeared in four games and had four tackles. [5]
As a sophomore, in 2021, he started 3 of 14 games at linebacker, recording 15 tackles.[6] His first career start came on September 18, versus Northern Illinois.
As a junior, in 2022, he started 12 of 13 games, finishing the season with 30 tackles and 3.5 sacks.[7] Harrell’s first career sack came on a shared sack in the season opener versus Colorado State, on September 3.
In 2023, Harrell returned to Michigan for his senior season, winning a national championship. He started all 15 games as an edge rusher, finishing with 31 tackles, 9 tackles for a loss, a team high 6.5 sacks and 2 forced fumbles.[8][9][10][11] Harrell was named All-Big Ten honorable mention.