FORT WORTH, Texas (AP) TCU coach Gary Patterson has signed a one-year extension that takes his contract through the 2021 season.

Athletic director Chris Del Conte announced the deal Tuesday, saying Patterson is ''synonymous with TCU and Fort Worth'' and that the coach's value to the community goes beyond football. Terms were not disclosed.

Patterson is going into his 16th season as head coach of the Horned Frogs, and is the program's winningest coach with 143 victories. TCU is 23-3 over the past two seasons, with a 15-3 record in Big 12 games.

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According to the university's IRS documents that covered the 2014 season, Patterson had a base salary then of just over $3.9 million.