On November 28, West Virginia offensive coordinator Jake Spavital was hired as head coach for Texas State.

[2] On July 19, 2018, the Sun Belt released their preseason coaches poll with the Bobcats predicted to finish in last place in the West Division.

Oklahoma Offensive Quality Coach Chris Woods was hired to replace Randall McCray as the Defensive Coordinator by Withers.

Co-Offensive Coordinator Parker Fleming left San Marcos to become the Special Teams Quality Control at Ohio State.

On November 18, 2018 just after the second to last game of the 2018 season Everett Withers was released as the 19th Head Football Coach of Texas State after lack of success and improvement for the program.