Deon Mays is a cornerback from Arlington, Texas, who attended Arlington High School as a three-star recruit. During his senior year, he recorded 33 tackles, including 2.0 for loss, along with one interception and two passes defended. He also participated in track and field, posting a time of 10.42 seconds in the 100 meters as a junior. Mays enrolled at TCU for the 2025 season as a freshman but did not appear in any games. He is listed at 6'1" and 185 pounds and returns to the roster as a redshirt freshman.