After getting hit in the head playfully with a sledgehammer the guy starts...
That's one way to take out the competition.
A prank backfires and this guy ends up in the hospital with a nasty gash...
After a nice headshot the ball takes out another person.
Here's a compilation of some powerful slow motion knockouts during MMA...
This nerd wants some guy to punch him. So the guy knocks him out cold.
Here's the top 20 knockouts in UFC history.
Listen to his rant after the knockout...lol
One punch is all it takes to put him to sleep.
How to get a drunk guy off the race track.