VIDEO: Giant who scared Poatan in training delivers brutal knockout and becomes Karate Combat champion – Watch now!

Despaigne celebrates victory. Photo: Reproduction/Instagram/thebigboyfighter

Robelis Despaigne extended his trail of destruction in combat sports. At Karate Combat 58, an event held last Friday (5), in Miami (USA), the two-meter giant knocked out the veteran Sam alvey, also a former UFC fighter, brutally defeated him in the second round. With yet another impressive victory on his record, the athlete became the company's heavyweight champion.

The result was not at all shocking. On the contrary, many expected Despaigne to defeat the American quickly. It is worth noting that, previously, the Cuban giant had engaged in an intense training session with... Alex Poatán And he even managed to intimidate him with his power. In the fight itself, Robelis, a striking specialist, punished 'Smilin' from the start with high kicks, low kicks, and kicks to the midsection.

Older and much smaller, Alvey showed bravery and defended himself, surviving the first round. However, in the second round, Despaigne showed no mercy to the American. The Cuban giant rocked the veteran twice with his powerful punches and ended the fight by landing a high kick to Alvey's head. Curiously, the athlete managed to protect himself, but the force of the blow was so great that he was knocked unconscious instantly. This was Robelis' seventh victory in seven fights in Karate Combat, a statistic that proves the heavyweight title is in good hands.

Who is Despaigne?

Robelis DespaigneThe 37-year-old is a striking specialist and a high-level taekwondo fighter. In fact, the Cuban won a bronze medal in the sport at the 2012 London Olympics. In 2022, the giant began his MMA career and impressed with his devastating knockouts. So much so that, in 2024, he debuted in the UFC and knocked out his opponent. Josh Parisian in 18 seconds.

However, after losing two fights in a row, being easily neutralized on the ground, Despaigne's time in the UFC came to an end that same year. But the Cuban's bad streak didn't last long. A knockout artist, the giant signed with Karate Combat also in 2024 and has seven wins. With the company, the athlete won the heavyweight tournament and, in December, became champion of the category.

Watch Robelis Despaigne knock out Sam Alvey at Karate Combat.

Awful display of refereeing in the main event of Karate Combat

Sam alvey was knocked down twice and clearly out of it. Instead of calling the fight off the referee stands him back up and he gets violently KO'd by Robelis DespaigneI hate to see it. pic.twitter.com/Mx7Gz0OX3d

— FULL SEND MMA (@full_send_mma) December 6, 2025