Bastrop (Los Angeles). A native of Bastrop, Louisiana, Devall attended Bastrop High School, where he was coached by Thomas Bachman. He finished his junior season with 108 tackles, five sacks, three fumbles caused, two fumbles recovered and one interception. Bastrop finished the season with an 11–2 record, losing 26–20 in a hard-fought four-overtime game to Anthony Johnson"s O. Perry Walker team in the Class 4A semifinals.
He currently attends the University of Alabama in his sophomore year. In his senior year, Devall was credited with 73 tackles, including 53 solo stops, two sacks, three pass breakups, one fumble forced and one fumble recovery. Bastrop fell short of the playoffs, with a 6–4 season record.
Nonetheless, Devall was a 2011 Louisiana Sports Writers Association 4A All-State selection.
Considered a four-star recruit by Rivals.com, Devall was listed as the Number. 5 inside linebacker in his class.
He chose Alabama over offers from Louisiana State, Texas Agricultural and Mechanical, Oklahoma, Arkansas, and Texas Christian. Contributing as a true freshman, Devall saw action in all 14 games at "Jack" linebacker, and totaled 18 tackles, with two sacks, three tackles for loss and three quarterback hurries en route to being named to The Sporting News Freshman All-America Team.
His biggest game came on October 27, against Mississippi State, when he recorded two tackles for loss (one sack) and received Defensive Player of the Week honors from the Alabama coaching staff
Devall draws comparisons to former Alabama outside linebacker Courtney Upshaw. In his sophomore year, Devall took on a bigger role in Alabama"s defense. He played in thirteen games, recording 30 tackles (including 14 solo), and five tackles for a loss of yardage.
He also tied Adrian Hubbard for second-most quarterback sacks on the team with three, behind A"Shawn Robinson"s 5.5 sacks.
In a 52–0 shutout against Arkansas, Devall was credited with three tackles, 1.5 tackles for loss, a sack and a quarterback hurry.
