Holly Holm Kicked Ronda Rousey With 50 Pounds of Force, Says Science

Holly Holm delivered a knockout kick in her match against Ronda Rousey. Here's an estimate of the impact force it carried.

Devastating kick to the head gives Holly Holm her first win since

UFC 193 Weigh-Ins: Ronda Rousey vs. Holly Holm

Ronda Rousey Says She's Still Undefeated, Here's Holly Holm's Reaction

5 years ago today, Holly Holm knocked out Ronda Rousey with a head

Who's the biggest star in the UFC? Ronda Rousey or Conor McGregor

Ronda Rousey Says She's Still Undefeated, Here's Holly Holm's Reaction

Ronda Rousey Says She's Still Undefeated, Here's Holly Holm's Reaction

Serena Williams' stunning U.S. Open loss to Roberta Vinci and the

5 years ago today, Holly Holm knocked out Ronda Rousey with a head

UFC 193 Weigh-Ins: Ronda Rousey vs. Holly Holm