Holly Holm KO’d Ronda Rousey at 59 seconds of the second round at UFC 193 with a monster head kick. Holm dominated Rousey from the opening bell with fantastic boxing and ultimately kickboxing.  Holm’s victory is easily the greatest upset in MMA history.  To be honest, I thought she was going to be just another name to fall to Rousey.  But, she was completely dominant and fought the perfect fight.  Hats off.  Enjoy the KO.

H/T to Albert L for the vine