Desmond Purnell (b. Jan. 29, 2001) is a speedy, two-star defensive back-turned-linebacker from Hayden High School in Topeka who is majoring in athletic training and rehab sciences.
He redshirted in 2021 as a defensive back made the transition to linebacker prior to 2022, entering the season as the primary backup strongside linebacker behind Khalid Duke.
Purnell played in every game — including a start against Oklahoma State — during the Big 12 Championship season as he totaled 21 tackles, two pass breakups and a fumble recovery.
He also returned a blocked punt for a touchdown against South Dakota and had a season-high five tackles at West Virginia, while he carded three apiece against South Dakota, at Iowa State and in the Sugar Bowl against Alabama.