Of the plethora of aesthetically pleasing finishing techniques that exist in the realm of MMA, none quite mesmerizes fans like a vicious head-kick knockout.
Whether it comes from a spinning, round, front or crane kick, head-kick KOs captivate fans and remind them of the often barbaric nature of MMA.
These notorious strikes turned the tides of every fight on this list, offering the euphoria of victory to one competitor and the agony of defeat to another.
Here are the 15 most devastating head-kick knockouts in MMA history.