Grimes grew up in Antioch, Tennessee and initially attended Mount Juliet High School.[1] He transferred to Ravenwood High School prior to his senior year after his father was hired to teach and coach football at the school.[2] Grimes was rated a five-star recruit and committed to play college football at Oklahoma over offers from Alabama, Florida State, South Carolina, Tennessee and Vanderbilt.[3][4]
College career
Grimes played in eight games during his freshman season at Oklahoma and made six tackles with one sack.[5] He played in all 12 of the Sooners' games with five starts as a sophomore and finished the season with 18 tackles with two sacks and two forced fumbles.[6] Grimes was named a starter at defensive end entering his junior season.[7]
On December 4, 2023, Grimes announced that he would be entering the transfer portal.[8]