Valentin Kocher-Benzing, also known as 'One Day', is a German Muay Thai fighter with an international training and competition background. He is affiliated with Outcast Fighting e.V., a combat sports club based in Meckenheim, Germany, where he contributes as both an active fighter and part of the coaching environment. His career reflects a hybrid path between European competition circuits and traditional Muay Thai development abroad.nnKocher-Benzing has spent extended periods in Thailand, where he lives and trains, immersing himself in the sport's authentic environment and refining his technical and physical abilities. His presence in Thailand places him within the core ecosystem of Muay Thai, allowing him to gain experience beyond standard European amateur structures.nnIn addition to his fighting career, he has played a supporting role within his home gym, assisting in fight preparation and coaching during events such as high-level fight galas in Germany. This dual role highlights both his technical understanding of the sport and his integration into a competitive team structure.nnHis competition record includes participation in K-1 and kickboxing formats alongside Muay Thai, demonstrating versatility across striking disciplines. Notably, he achieved podium placements in German competitions and secured a first-place finish at a major WFMC tournament in 2025.nnDespite limited visibility in major global promotions or official Muay Thai rankings, his trajectory shows a committed athlete developing through international exposure, practical fight experience, and continuous involvement in both training and competitive environments.