“Neanderthal” Frederic Vosgröne Prepares for Oktagon 83 Clash in Stuttgart

Frederic Vosgröne continues his preparation for one of his most challenging assignments to date. The German submission specialist faces undefeated Honduran Jesus Samuel Chavarria at Oktagon 83 on January 31, 2026, at Stuttgart’s Hanns-Martin-Schleyer-Halle. The matchup features two undefeated fighters in a catchweight bout at 87 kilograms, moving Vosgröne down from his usual light heavyweight division.

“Neanderthal” Frederic Vosgröne at Oktagon 83

A recently released documentary video provides a behind-the-scenes look at Vosgröne’s training regime ahead of the bout. The 29-year-old starts his day at UFD Gym in Germany, where he has trained since 2014. His coaching team includes Cassius Salov,…