Famous Knockouts & Why They Happened Knockouts have always held a special place in combat sports. Whether in boxing, MMA, or kickboxing, a knockout can instantly turn a fighter into a legend. While the spectacle of a knockout captures the audience’s attention, the reasons behind these dramatic moments are far more complex. Successful knockouts are not mere accidents; they are the product of skill, timing, preparation, and sometimes, an opponent’s miscalculation. Examining some of the most famous knockouts in combat sports history offers insight into why they happened and what made them so unforgettable.