Fresno State star Matthew Kostyko has died at the age of 39, the university announced Wednesday.

He is survived by his wife, Jessica, a son, Hunter, and a daughter, Emma.

Kostykov’s career spanned a span of 20 years, starting at Fresno State in 1992 and ending with a record-setting senior year in 2016.

He had 13 career starts and was named to the All-Conference first team four times.

Kostymko was a four-time All-American in football and was the Pac-12 Defensive Player of the Year in 1991, 1992, 1993 and 1994.

Kosykov, who played in 12 of the 17 games he started for the Bulldogs during his career, also played in the 1996 and 1998 national championships.

He earned three All-Pac-10 honors, the first-ever for a player from the conference.

He also was a two-time AP All-America selection.

Kofsko, who was a junior, also had 14 starts in the 2002 and 2004 seasons.

He was inducted into the Fresno State Hall of Fame in 2006 and was a member of the school’s All-Time Class of 1983.

Koczyzny was named the 2007-08 Fresno State Athletic Association Football Player of The Year.

He is credited with leading the Bulldogs to an 11-2 mark in 2007.

He played his final collegiate game for the Fresno Stampeders on Dec. 8, 2021.

He was a three-time all-conference selection.