Texas Tech Athletics has announced the resignation of Matt Wallerstedt as defensive coordinator for the Texas Tech Football team.

In a statement made on Thursday, September 18, Wallerstedt said he was leaving the team for personal reasons.

“I have submitted my resignation to Coach Kingsbury effective immediately because I want the best for the Red Raider program, and this will allow them to go in a different direction on defense,” Wallerstedt said. “I love our players and this school and have only their best interest in my heart and mind. I wish Coach Kingsbury every success this season.”

Tech will now make a few staff changes to finish out the season. Mike Smith, co-defensive coordinator, will lead the defense for the remainder of the year alongside Kevin Curtis, Trey Haverty and John Scott Jr. Matt Brock will move from his role of defensive quality control and coach the inside linebackers.

“We appreciate all Coach Wallerstedt has done at Texas Tech and we wish him the best,” Head Coach Kliff Kingsbury said.

Wallerstedt joined head coach Kliff Kingsbury’s staff in the spring of 2013.

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