Ronda Rousey was the UFC's unstoppable force until Holly Holm used the former champion's aggression against her to produce one of the sport's biggest upsets.<br />Rousey chased Holm around the ring at UFC 193 on Sunday - looking for the right hold and taking head shots along the way - until Holm saw an opening 59 seconds into the second round and snapped a kick to the head that immediately dropped her more fancied opponent to the canvas.<br />Holm jumped on the prone Rousey, delivering several blows to her head before the referee intervened, ending Rousey's 12-fight unbeaten run and handing Holm the bantamweight title.
