Soccer players have good foot work. Wait for it...
When a bouncer smells smoke from the bathroom he goes ballistic.
You can almost hear his skull crack on this headbutt.
These 2 dudes knock each other out at the same time. KO
The cord snaps and the bar knocks this guy out cold.
Don't take lessons from this guy.
Pitcher Alex Cobb took a line drive straight to the head. He was taken by ambulance to the hospital.
She actually knocks herself out for a few seconds.
Check out the top 10 boxing knockouts. Some of these guys just drop.
His buddy hits a golf ball at the wall and it comes back hits his buddy in the head.