After Texas Tech allowed the second-most passing yards in the country this season, it cost defensive coordinator Tim DeRuyter and secondary coach Marcel Yates their jobs on Sunday.The Red Raiders (8-4, 6-3 Big 12) beat West Virginia 52-14 on Saturday to close their regular season but finished last in the conference in passing yards allowed (305.3).DeRuyter, 61, had been Texas Tech’s defensive coordinator since 2022 following a season in the same role at Oregon. Among many collegiate coaching jobs since 1989, he served as Fresno State’s head coach from 2012-16.Yates, 47, has been a college assistant coach since 2001, joining the Red Raiders’ staff in 2022 as passing coordinator. This was his first season as Texas Tech’s secondary coach.