Former Texas Tech defensive back Joseph Plunk enters his first season as a defensive assistant coach with the ACU football team in 2025.

Plunk will help coach the secondary, and assist head coach Keith Patterson with day-to-day operations.

Plunk starred at quarterback for two seasons at Amarillo Tascosa High School before playing safety and excelling on special teams as a walk-on at Texas Tech. Patterson recruited him to join the Tech program, and he played for five years, earning his roster spot with his effort on the scout team and then in the secondary and special teams. 

As a senior at Tascosa in 2019, Plunk ran for 2,546 yards and 33 touchdowns as one of the top option quarterbacks in Texas. He was named District 2-6A MVP and earned two Class 6A all-state nods: second team by the Associated Press Sports Editors and honorable mention by the Texas Sports Writers Association. He played at Tascosa for his father, Ken Plunk, who was an assistant coach at ACU in the early 2000s.


Coach Keith Patterson says...
"Plunk is a young man I had the opportunity to coach at Texas Tech. He's a son of a coach and has a very good understanding of the game."