Career: Played in 50 career games (with six starts), totaling 124 tackles with 10.5 tackles for loss, two sacks, two interceptions, one forced fumble and one fumble recovery … Third-team All-Sun Belt from PFF in 2022.
 
2022: Third-team All-Sun Belt from PFF … Appeared in all 12 games and made six starts at inside linebacker (including five of the last six games) … Ranked third on the team with 67 tackles … Also had 6.5 tackles for loss, one sack and two interceptions … Had a career-high 13 tackles and his first interception at Marshall … Made first career start in the win at Texas A&M (in his 40th career game appearance) … Had double-digit tackles in back-to-back games against Texas State (11) and Georgia State (12) … Also intercepted a pass in the fourth quarter at Georgia Southern.
 
2021: Appeared in all 14 games, contributing at inside linebacker and on special teams … Totaled 24 tackles, one sack, 3.0 tackles for loss and one forced fumble … Produced a sack for a 7-yard loss at Troy … Forced a fumble against Elon on a pass play, leading to an App State recovery … Regular on the four primary special teams units and tied for second on the team with 262 special teams plays … Had 12 tackles on special teams, with a single-game high of four, to rank fourth nationally in special teams stops (three players tied for first with 13) … Also contributed in the TFL category against Georgia State (solo stop), Louisiana and ULM … Appearing on the field at linebacker in 11 games for a total of 122 snaps, had a defensive grade of 84.2 from PFF College to rank No. 1 on the team, regardless of snap totals.

2020: Appeared in one game, playing in the Myrtle Bowl Beach win against North Texas.

2019: Played in 11 games … Made eight tackles while contributing on several special teams units and as an inside linebacker … Had season-high three tackles at Troy in regular season finale.

2018: Appeared in 12 games, missing just the season opener at Penn State … Registered 25 tackles on the season with a season-high of eight at Georgia Southern, where he filled in for disqualified starter Jordan Fehr … Had five tackles in a road win against Arkansas State … Led App State underclassmen and ranked 10th on the team with his 25 stops … Also had a quarterback hurry in the 45-9 win against Charlotte.

High School: Set a school record with 156 tackles as a senior and had 408 for his career … Also had two sacks, six tackles for loss and one interception in 2017 ... Largo finished an 8-3 season with a loss in a Class 6A regional semifinal playoff game, and Doublin had 18 tackles to go along with a sack for coach Marcus Paschal’s team … Played in the 23rd annual Pinellas All-Star Football Classic and had a sack for the South team’s defense … Credited with 128 tackles, five tackles for loss and one interception at middle linebacker as a junior after totaling 124 tackles in his first two varsity seasons as an outside linebacker at Largo, which is about 20 miles from St. Petersburg, Fla. … Named second-team all-state within the 6A classification by FloridaHSFootball.com in 2016 … Earlier in prep career, was a center fielder on Largo’s baseball team … Rated a two-star prospect by 247Sports and Rivals.

Personal: Born June 14, 1999 ... Son of Nathan Doublin and Mekayla Ramsey ... Has one sibling: Bailey.