Mitchell committed to Southwest Mississippi Community College out of high school, recording 12 carries for 57 yards as a freshman.[3] He moved to linebacker in his sophomore season for the Bears, recording 71 tackles. In 2020, he was rated a three-star transfer recruit by 247Sports, choosing to transfer to Purdue.[4] He started five games for the Boilermakers, finishing third on the team with 34 tackles and one sack. He recorded 25 tackles and 4.5 sacks in 2021, including four tackles, a sack, and a forced fumble against Tennessee in the 2021 Music City Bowl. After the season, he declared for the 2022 NFL Draft.[5]
Professional career
New England Patriots
Mitchell signed with the New England Patriots as an undrafted free agent on April 30, 2022. He made the team's 53-man roster out of training camp.[6]
On August 15, 2023, Mitchell was waived by the Patriots.[7]
Seattle Seahawks
On August 20, 2023, Mitchell was signed by the Seattle Seahawks, but was waived two days later.[8]