knock out

Don't blink while watching this video. This KO was was fast you could hear the echo from the starting round bell.

While the world continues to be in awe of Ronda Rousey's knockout ability, make sure you don't sleep on this impressive KO.

The 'Double Knock Out' is a rare scene in sports, almost as rare as two fighters leaving their shirts on during a fight. Thanks to the magic of cell phone camera's, we can all enjoy this one.

Mike Tyson said, "Everyone has a plan until they get punched in the face."  I think that this MMA fighter's plan was to get punched in the face, but he definitely overestimated his toughness.

A 62-Year-Old man steps into the cage with a much younger 24-year-old fighter and actually knocks the kid out! Two things just happened here. One, you've just seen this kids dreams of being a UFC fighter go down the drain. Second, This is a prime example of under estimating your opponent. No matter the age or condition anybody has a punchers chance...

See a father make his son get in a street fight. And encourages him to "Knock the kid out"!