[9][non-primary source needed][10][11][12] After high school, Mitchell moved to Searcy, Arkansas, to attend Harding University.
He defeated Jay Cucciniello in the quarterfinals but ended up losing to the eventual season winner Brad Katona in the semi-finals.
[16] This win earned him the Performance of the Night award and it was named the 2019 Submission of the Year by sites like Sherdog, MMAJunkie and MMA Fighting.
[24] After nearly submitting Rosa on numerous occasions, Mitchell won the fight via unanimous decision with the three scorecards listing 30–25, 30–25, and 30–24 scores.
[26] This bout marked the first time a fighter has worn custom trunks since the Reebok deal with the promotion, as Mitchell used camo shorts during the contest.
[31] Mitchell was scheduled to face Movsar Evloev as a main event on November 5, 2022, at UFC Fight Night: Rodriguez vs.
[37] In turn, Mitchell withdrew due to recurring back injury and was replaced by Diego Lopes.
[41] Mitchell faced Josh Emmett, replacing injured Giga Chikadze, on December 16, 2023, at UFC 296.
[56] In July 2024, Mitchell called Elon Musk a false prophet and potential antichrist, and his company Tesla a "scam".
[57] In January 2025, he made several controversial statements, including praise for Adolf Hitler, denial of the Holocaust, and anti-LGBTQ remarks.
[58] Additionally, Mitchell suggested that "greedy Jews" were "destroying his country and turning them all into gays" and referenced early gender-affirming surgeries in Germany as evidence of societal decline.