Murthel Groenhart vs Harut Grigorian: The Controversial Sucker Punch Knockout at GLORY Kickboxing

This video showcases a highly controversial moment in kickboxing history during a match between Murthel Groenhart and Harut Grigorian at GLORY Kickboxing. In the clip, Grigorian unexpectedly turns his back and walks toward his corner mid-fight without the referee calling a stoppage. Seizing the opportunity, Groenhart lands a clean, devastating sucker punch knockout from behind, dropping Grigorian instantly to the canvas while remaining within the technical rules of the fight. The second half of the video captures the immediate, chaotic aftermath as outrage erupted inside the arena. Outraged spectators and members of Grigorian’s team storm the ring, attacking Groenhart in a wild brawl before security and officials can intervene. The dramatic clip highlights the intense emotions, breach of sportsmanship, and unexpected violence that made this incident one of the most talked-about moments in combat sports.