Before WKU: Glenn comes to WKU after spending three seasons at Florida State, where he appeared in 16 games with starts in seven games, including the 2023 ACC Championship Game and the Orange Bowl. In his final season with the Seminoles, Glenn appeared in four games and completed 6-of-10 passes for 69 yards and two touchdowns, while rushing for 43 yards on seven attempts. He appeared in seven games with five starts the season prior, completing 51-of-114 passes for 597 yards and four touchdowns. He also rushed for 97 yards. That season, he became the fourth player in the College Football Playoff Era to make his first three career starts at quarterback against Top 15 opponents. In his first season of college football in 2023, he appeared in five games with two starts – the ACC Championship and the Orange Bowl, becoming the only true freshman quarterback to make his first collegiate start in a Power 5 conference championship game in at least 20 years. That season, he finished with 229 yards on 19 completions.
HS/Misc.: Glenn prepped at Lausanne Collegiate School, where he was considered a four-star prospect and was ranked as the No. 13 quarterback nationally and No. 7 overall prospect in Tennessee by 247Sports. He was considered teh No. 15 quarterback prospect by Rivals, the No. 17 by ESPN and the No. 25 by On3. He made the Elite 11 finals in the summer of 2022, and accounted for more than 4,500 yards of total offense and 68 touchdowns during his prep career. He passed for 3,928 yards and 57 touchdowns with only 13 interceptions, and added 654 rushing yards with 11 touchdowns. He led Lausanne to eight wins and advanced to quarterfinal round of Tennessee High School Division II Class AA playoffs his senior season.