Nennhuber has been playing at Hessen Kassel since January 2020, and this season the 1.96 meter -tall defender was only used eleven times in the Southwest Regionalliga.
The 34-year-old receives a contract until June 2023 that contains an extension option for another year.
The defensive man has a lot of experience, he played for Waldhof Mannheim, 1. FC Magdeburg and meters Emden.
Nennhuber ran ten times in the 3rd division, and he played 200 missions in the regional league.
Before the extension with Nennhuber, Hessen Kassel had already bound veteran Marco Dawid and regular keeper Maximilian Zunker for the coming season.
In the current season, the traditional club ranks in eighth place in the Regionalliga Südwest.